Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
hanh vai » hanh vi, hanh va, hanh tai
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
vai va » mai va, dai va, hai 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 ky nang ((xa hoi) or (mai hoi)). hieu ve chat xuc va hanh vai va (thiet or thieu)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ((xa hoi) OR (mai hoi)). hieu ve chat xuc va hanh vai va (thiet OR thieu).
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ((xa hoi) or (mai hoi)). hieu ve chat xuc va hanh vai va (thiet or thieu)*.