trzeba

1. expresses the goodness of the following verb; it is needed, one ought to [+infinitive]
2. expresses the naturalness or obviousness of the following verb; ought to, must [+infinitive]
3. expresses the necessity or obligation of the following verb; it is needed, one ought to [+infinitive], [+dative = for whom], [+genitive = what is needed]

szukać

1. to look for, to seek, to search (to attempt to find) [+genitive] or [+accusative] (proscribed) or [+ za (instrumental)] (proscribed)
2. to look for, to seek, to search (to attempt to achieve or gain) [+genitive]
3. to look for (i.e. trouble; to act in such a way so as to provoke) [+genitive]
4. to look for oneself, to seek oneself, to search oneself (to attempt to locate one's name i.e. on a list)
5. to look for each other, to seek each other, to search each other (to attempt to find one another)

nowej

feminine genitive/dative/locative singular of nowy

póki

1. as long as, while
2. until, till, before (used with nie)

jeszcze

1. yet (used with negated verbs)
2. still
3. also, too; another
4. emphasizes a comparative even, still, yet, to a larger degree
5. emphasizes a positive element among bad elements even so
6. even (in reality; implying an extreme example in the case mentioned)
7. at least
8. expresses discontent
9. not yet; so far; Further details are uncertain.

brzuszek

1. diminutive of brzuch; belly
2. raw bacon
3. sit-ups (exercise in which the abdominal muscles are contracted, bringing the torso of a person lying down to a more upright position)

pełen

short form of pełny