Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
tang xa » trang xa, tang ma, lang xa
hieu va » lieu va, hieu qua
cao xuc » cam xuc, cao duc, cao suc
sach ky » sac ky, sach y, sach ty
va hanh » van hanh, va thanh, ban hanh
ky tang » ky nang, ky dang, kho tang
dao suu » dao huu
va danh » va dinh, va dan, dia danh
va cao » va cac, va co, va dao
da suu » da su

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 ky tang xa hoi. hieu va cao xuc ((va danh) or (va hanh)) ((dao suu) OR (da suu)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky tang xa hoi. hieu va cao xuc ((va danh) OR (va hanh)) ((dao suu) OR (da suu)) viet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky tang xa hoi. hieu va cao xuc ((va danh) or (va hanh)) ((dao suu) OR (da suu)) viet*".