Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
hanh vai » hanh vi, hanh va, hanh tai
sach kem » hanh kem
va hanh » van hanh, va thanh, va danh
sach ty » sach y, sach tu, sach thu
nang ma » tang ma, sang ma, nang cao
sach ky » sac ky, sach y, sach hay
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
xuc va » duc va, tuc va, luc va
ma hoi » mai hoi, xa hoi, ma hoa
vai va » mai va, dai va, hai va
thiet » thieu

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) OR (sach kem))) or (sach ty)) nang ma hoi. hieu ve cham xuc va hanh vai va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((((sach ky) OR (sach kem))) OR (sach ty)) nang ma hoi. hieu ve cham xuc va hanh vai va thiet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((((sach ky) OR (sach kem))) or (sach ty)) nang ma hoi. hieu ve cham xuc va hanh vai va thiet".
• Adding a wildcard symbol may retrieve word variants: tu ((((sach ky) OR (sach kem))) or (sach ty)) nang ma hoi. hieu ve cham xuc va hanh vai va thiet*.