Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
ky lang » ky dang, ky tang, tay lang
qua hau » qua hai, qua bau, qua dau
hau loc » huu loc, phau hoc
cua tre » cua te, cuu tre, dua tren
te cac » tu cac, ve cac, te cao
loc va » hoc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cac ((ky lang) or (ky nang)) xa hoi. hieu qua hau loc va thanh vi ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ((ky lang) OR (ky nang)) xa hoi. hieu qua hau loc va thanh vi ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: te cac ((ky lang) or (ky nang)) xa hoi. hieu qua hau loc va thanh vi ((cua tre) or (cua triet))*.