Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, ban hanh, van anh
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va hanh » va danh, ban hanh, dao hanh
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 nang xa hoi. hieu qua cham xuc ((((va hanh) or (van hanh))) or (va thanh)) vai va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu qua cham xuc ((((va hanh) OR (van hanh))) OR (va thanh)) vai va thiet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu qua cham xuc ((((va hanh) or (van hanh))) or (va thanh)) vai va thiet*.