Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, ban hanh, van anh
hieu ve » hieu van
hieu va » lieu va, hieu qua
sach ky » sac ky, sach y, sach ty
xuc van » duc van, luc van, xuc ban
vi cau » ve cau, di cau, viet cau
va cau » van cau, va cac, va dau
x hoi » xa hoi, o hoi, x ho

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 nang x hoi. ((hieu ve) or (hieu va)) cham xuc van hanh ((vi cau) or (va cau)) tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang x hoi. ((hieu ve) OR (hieu va)) cham xuc van hanh ((vi cau) OR (va cau)) tren.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang x hoi. ((hieu ve) or (hieu va)) cham xuc van hanh ((vi cau) or (va cau)) tren*.