Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
vap nhung » va nhung, ve nhung, voi nhung
hoi hieu » hoi phieu, hoi tieu, moi hieu
tung vap » tung va, trung van, tuong vao
dan toan » van toan, dan than, manh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi hieu lang - thanh tung vap nhung cong ((dan toan) or (anh tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi hieu lang - thanh tung vap nhung cong ((dan toan) OR (anh tuan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoi hieu lang - thanh tung vap nhung cong ((dan toan) or (anh tuan)) cau*.