Perhaps you should try some spelling variations:
thien van » thi van
hang thai » hoang thai, hang tai, hang hai
va thieu » va thiet, va hieu, va tieu
cham xuc » cam xuc, chat xuc, cham soc
hieu van » hieu va, lieu va, hieu ve
thai va » thai van
va hang » van hang, va nang, va lang
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
nang xa » lang xa, nang ma, mang xa
xuc va » duc va, tuc va, luc va

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

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