Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
toc sach » hoc sach, doc sach, nuoc sach
thi nang » thi cong, ki nang, thi hanh
hieu va » lieu va, hieu qua
anh doi » anh noi, anh doc, thanh doi
van anh » van thanh, tuan anh, van minh
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu van
nang co » nang cao, nang doc, nang noi
doi cua » dai cua, hoi cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sach) OR (thuoc sach)) thi nang co hoc. ((hieu ve) or (hieu va)) cac xuc van anh doi cua cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (thuoc sach)) thi nang co hoc. ((hieu ve) OR (hieu va)) cac xuc van anh doi cua cac*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) OR (thuoc sach)) thi nang co hoc. ((hieu ve) or (hieu va)) cac xuc van anh doi cua cac*".