Perhaps you should try some spelling variations:
vu khich » vu khach, vu khanh, vu khac
cham xuc » chat xuc, cham soc, pham duc
khich le » thinh le, dich le, tich le
hang vi » hang va, hanh vi, hang di
va hang » van hang, va nang, va lang
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khich le ((nang xa) or (nang ma)) hoi. hieu ve ((cham xuc) or (cam xuc)) va hang vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khich le ((nang xa) OR (nang ma)) hoi. hieu ve ((cham xuc) OR (cam xuc)) va hang vi cua tre.
• Adding a wildcard symbol may retrieve word variants: vu khich le ((nang xa) or (nang ma)) hoi. hieu ve ((cham xuc) or (cam xuc)) va hang vi cua tre*.