Perhaps you should try some spelling variations:
thanh huong » thanh hung, thanh cong, anh huong
hieu lang » chieu sang, hieu quang, nhieu tang
huong cua » dung cua
hoc hieu » hoc thieu, hoc hien, doc hieu
cua nong » cua cong, cuu nong, cua dong
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu lang - thanh huong cua nong ((cong ban) OR (cong tan)) nhung bai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu lang - thanh huong cua nong ((cong ban) OR (cong tan)) nhung bai*".