Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
xang cao » nang cao, lang cao, quang cao
van hanh » ban hanh, van anh, van ban
te sach » toc sach
cac xuc » cam xuc, cac nuoc, chat xuc
hieu va » lieu va, hieu qua
sach ty » sach y, sach tu, sach thu
hieu ve » hieu van
cao hoi » cau hoi, co hoi, cao hoc
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty xang cao hoi. ((hieu ve) or (hieu va)) cac xuc ((van hanh) OR (van thanh)) vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty xang cao hoi. ((hieu ve) OR (hieu va)) cac xuc ((van hanh) OR (van thanh)) vi cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty xang cao hoi. ((hieu ve) or (hieu va)) cac xuc ((van hanh) OR (van thanh)) vi cua tu".
• Adding a wildcard symbol may retrieve word variants: te sach ty xang cao hoi. ((hieu ve) or (hieu va)) cac xuc ((van hanh) OR (van thanh)) vi cua tu*.