Perhaps you should try some spelling variations:
luan thong » luan phong, luan tuong, luat thong
tang luan » dung luan
anh tang » anh bang, anh dang, anh nang
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
theo bo » theo doi, theo don, theo hop
thao bo » tao bo, thac bao, thao hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo bo) or (thao bo)) manh - anh tang luan thong ((cong dan) OR (cong tan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo bo) OR (thao bo)) manh - anh tang luan thong ((cong dan) OR (cong tan)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo bo) or (thao bo)) manh - anh tang luan thong ((cong dan) OR (cong tan)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ((theo bo) or (thao bo)) manh - anh tang luan thong ((cong dan) OR (cong tan)) toan ban*.