Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
chua xang » chua nang, chuc nang, chu bang
tang luan » dung luan
chu nang » chuc nang, chua nang, cuu nang
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 cau » toan cao, toan ban, toan tap

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

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