Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
hieu vien » hieu hien, hieu viec, lieu vien
dan thuc » dan toc
thanh va » thanh van, hanh va, thanh ha
cac thu » cach thuc, cac thoi
lang xa » lang ha, dang xay, lang van
vien da » vien dai, hien dai
duc ban » duc tan, duc van, dua ban
da duc » dao duc, da duoc, do duc
va cua » va chua, via cua, ca 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: thu ((((dan thuc) OR (am thuc))) or (cac thu)) lang xa hoi. hieu vien da duc ban thanh va cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((((dan thuc) OR (am thuc))) OR (cac thu)) lang xa hoi. hieu vien da duc ban thanh va cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((((dan thuc) OR (am thuc))) or (cac thu)) lang xa hoi. hieu vien da duc ban thanh va cua tu".
• Adding a wildcard symbol may retrieve word variants: thu ((((dan thuc) OR (am thuc))) or (cac thu)) lang xa hoi. hieu vien da duc ban thanh va cua tu*.