Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
hieu lang » chieu sang, hieu quang, nhieu tang
trung va » truong va, trang va, trung ha
va tuong » va thuong, va thong, xa truong
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
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 trung va tuong ((cong dan) OR (cong tan)) ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh trung va tuong ((cong dan) OR (cong tan)) ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - hanh trung va tuong ((cong dan) OR (cong tan)) ((toan cau) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh trung va tuong ((cong dan) OR (cong tan)) ((toan cau) or (toan ban))*.