Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
chat truc » cau truc, chat xuc
danh dai » danh dau, danh di, danh sai
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu van
hieu va » lieu va, hieu qua
truc va » thuc va, thuc vat, trung va
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach ky nang xa hoi. ((hieu ve) or (hieu va)) chat truc va danh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ky nang xa hoi. ((hieu ve) OR (hieu va)) chat truc va danh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: thuoc sach ky nang xa hoi. ((hieu ve) or (hieu va)) chat truc va danh dai cua tre*.