Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
hieu viec » nhieu viec, hieu ve, sieu viet
lang van » dang van, tang van, hoang van
viec cac » vien cac, viec cua, viec lam
hanh hoi » hanh thoi, hanh noi, hanh hoa
hoi cua » hoi chuc
cua tre » cua te, cuu tre, cua triet
y lang » o lang, _ lang, tay lang
dac va » duc va, dat va, dai va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc nganh y lang van hoa. hieu viec cac ((dac va) or (day va)) hanh hoi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc nganh y lang van hoa. hieu viec cac ((dac va) OR (day va)) hanh hoi cua tre.
• Adding a wildcard symbol may retrieve word variants: hoc nganh y lang van hoa. hieu viec cac ((dac va) or (day va)) hanh hoi cua tre*.