Превод - Сръбски-Латински - Trazi, i dobices; Trazi, i naci ces; Pokucaj, i...

My translation is literal and with singular "you".

Here it is an oficial version of Vulgate (with plural "you"):
"Petite, et dabitur vobis;
quaerite et invenietis;
pulsate, et aperietur vobis".

Bridge by maki_sindja:
"Ask and you will receive;
Seek and you will find;
Knock and the door will open..."