Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
mau chan » mau han, cau chan, mau phan
hanh mau » thanh mau, anh mau, hanh ma
hieu van » hieu va, thien van, lieu va
chan tre » chan theo, chan troi, chay tren
sach ly » sach y, sach lo, sach ty
hieu ve » hieu va
cao hoi » cau hoi, co hoi, cao hoc
ly nang » ky nang, ly hang, ly vang
xuc va » tuc va, luc va, xac va

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 ly nang cao hoi. ((hieu ve) OR (hieu van)) cham ((xuc va) OR (duc va)) hanh mau chan tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ly nang cao hoi. ((hieu ve) OR (hieu van)) cham ((xuc va) OR (duc va)) hanh mau chan tre".
• Adding a wildcard symbol may retrieve word variants: thu sach ly nang cao hoi. ((hieu ve) OR (hieu van)) cham ((xuc va) OR (duc va)) hanh mau chan tre*.