Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
cham xuc » cam xuc, chat xuc, cham soc
tu sach » thu sach, te sach, tu cach
va hanh » van hanh, va thanh, va danh
hieu va » hieu qua
nang ma » tang ma, sang ma, nang cao
su sach » so sach, vu sach
vai cua » dai cua, hai cua, lai cua
ma hoi » mai hoi, xa hoi, ma hoa
xuc va » duc va, tuc 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: ((tu sach) or (su sach)) ky nang ma hoi. ((hieu va) or (lieu va)) cham xuc va hanh vai cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ky nang ma hoi. ((hieu va) OR (lieu va)) cham xuc va hanh vai cua vat.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ky nang ma hoi. ((hieu va) or (lieu va)) cham xuc va hanh vai cua vat*.