Perhaps you should try some spelling variations:
danh vai » danh sai, danh va, doanh van
cham xuc » cam xuc, chat xuc, cham soc
van cham » van chat, van tham, va cham
hieu van » hieu va, thien van, lieu va
sach ky » sac ky, sach y, sach kem
va danh » va dinh, va dan, va hanh
tang ma » mang may, tang van
nang ma » sang ma, nang cao, mang may
sach ty » sach y, sach tu, sach thu
xuc va » duc va, tuc va, luc va
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 ty)) ((nang ma) or (tang ma)) hoi. hieu van cham xuc va danh vai va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) ((nang ma) OR (tang ma)) hoi. hieu van cham xuc va danh vai va thiet.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach ty)) ((nang ma) or (tang ma)) hoi. hieu van cham xuc va danh vai va thiet*.