Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hieu van » hieu va, thien van, lieu va
cham xuc » cam xuc, chat xuc, cham soc
sach ky » sac ky, sach y, sach ty
cao hoi » cau hoi, co hoi, cao hoc
hieu ve » hieu va
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
xuc va » duc va, tuc va, luc va
di cua » dai cua, doi cua, de cua

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