Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
cham xuc » cam xuc, chat xuc, cham soc
thai van » thi van, thanh van, thai vung
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
xuc van » duc van, luc van, vuc van
van han » van hanh, van phan, van nhan
tai va » mai va, tri va, dai va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang xa hoi. hieu qua cham xuc van han ((tai va) or (((thai va) OR (thai van)))) thieu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu qua cham xuc van han ((tai va) OR (((thai va) OR (thai van)))) thieu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. hieu qua cham xuc van han ((tai va) or (((thai va) OR (thai van)))) thieu".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu qua cham xuc van han ((tai va) or (((thai va) OR (thai van)))) thieu*.