Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
sach thu » sach thue, sach thieu, sach tham
cham xuc » cam xuc, chat xuc, cham soc
va cham » va chat, va tham
va hanh » van hanh, va thanh, va danh
sach ty » sach y, sach tu, xach tay
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua

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 ty) or (sach thu)) nang xa hoi. hieu va cham xuc ((va hanh) or (gia thanh)) dai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach thu)) nang xa hoi. hieu va cham xuc ((va hanh) OR (gia thanh)) dai cua viet.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach thu)) nang xa hoi. hieu va cham xuc ((va hanh) or (gia thanh)) dai cua viet*.