Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
vai cua » dai cua, hai cua, lai cua
hieu ve » hieu van
va hanh » van hanh, va thanh, va danh
cao duc » dao duc, cao suc, giao duc
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang ma hoi. ((hieu ve) or (hieu va)) ((pham duc) or (cao duc)) va hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ma hoi. ((hieu ve) OR (hieu va)) ((pham duc) OR (cao duc)) va hanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang ma hoi. ((hieu ve) or (hieu va)) ((pham duc) or (cao duc)) va hanh vai cua te*.