Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chua xang » chua nang, chuc nang, chua dong
tang luan » dung luan
chu bang » thu bang, chuc nang, chu quang
tang cua » mang cua, hang cua, thong cua
cong san » cong tac
san toan » van toan, dan toan, manh toan
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 bang)) - anh ((tang cua) OR (tang luan)) nhung cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR (chu bang)) - anh ((tang cua) OR (tang luan)) nhung cong san toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chua xang) or (chu bang)) - anh ((tang cua) OR (tang luan)) nhung cong san toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) or (chu bang)) - anh ((tang cua) OR (tang luan)) nhung cong san toan cau*.