Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
te cach » ve cach, te sach, tu cach
cach tu » cach thuc
nang xa » lang xa, nang ma, mang xa
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
ve cac » va cac, vien cac
vi cua » vai cua, di cua
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cach tu ((nang xa) or (nang x)) hoi. hieu ve cac xuc van hanh vi cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cach tu ((nang xa) OR (nang x)) hoi. hieu ve cac xuc van hanh vi cua su.
• Adding a wildcard symbol may retrieve word variants: te cach tu ((nang xa) or (nang x)) hoi. hieu ve cac xuc van hanh vi cua su*.