Perhaps you should try some spelling variations:
cham xuc » cam xuc, cham soc, pham duc
hanh dai » hanh tai, hanh dao, vanh dai
chat xuc » chat huu, cam xuc, chao xu
tu sach » thu sach, su sach, te sach
va hanh » van hanh, va thanh, va danh
sach ky » sac ky, sach y, sach ty
hieu vu » hieu va, hieu ve, hieu su
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
dai va » mai 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 ma hoi. hieu vu ((cham xuc) OR (chat xuc)) va hanh dai va (thiet or thieu)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ma hoi. hieu vu ((cham xuc) OR (chat xuc)) va hanh dai va (thiet OR thieu).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang ma hoi. hieu vu ((cham xuc) OR (chat xuc)) va hanh dai va (thiet or thieu)".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ma hoi. hieu vu ((cham xuc) OR (chat xuc)) va hanh dai va (thiet or thieu)*.