Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
sach thu » sach thue, sach thieu, sach tham
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, ban hanh, van anh
nang xa » lang xa, nang ma, mang xa
va cham » va chat, va tham
va hanh » va thanh, va danh, ban hanh
ki va » khi va, ke va, bi 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: thu sach thu ((nang xa) or (nang x)) hoi. lieu va cham xuc ((va hanh) or (van hanh)) ki va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach thu ((nang xa) OR (nang x)) hoi. lieu va cham xuc ((va hanh) OR (van hanh)) ki va thiet.
• Adding a wildcard symbol may retrieve word variants: thu sach thu ((nang xa) or (nang x)) hoi. lieu va cham xuc ((va hanh) or (van hanh)) ki va thiet*.