Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
cau treo » cau theo, cau tren, cau triet
lang xa » lang ha, dang xay, lang van
van hac » van hoc, van ha, van hai
hac luc » nhan luc, than luc
va hanh » van hanh, va thanh, va danh
ve cac » va cac, vien cac
luc va » duc va, tuc va, loc va
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ve cac ky ((nang x) OR (lang xa)) hoi. hieu van hac luc va hanh vi ((cau treo) OR (cua te))~.
• Adding a wildcard symbol may retrieve word variants: ve cac ky ((nang x) or (lang xa)) hoi. hieu van hac luc va hanh vi ((cau treo) or (cua te))*.