Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
hanh tang » hanh trang, hanh mang, hanh tung
luan dong » luan cong, quan dong, luan nong
dong cong » duong cong, dung cong, dang cong
anh tang » anh bang, anh dang, anh nang
cong san » cong tac
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - ((hanh tang) or (anh tang)) luan dong cong san ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - ((hanh tang) OR (anh tang)) luan dong cong san ((toan cau) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - ((hanh tang) or (anh tang)) luan dong cong san ((toan cau) OR (toan ban))*".