Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
truong cua » truong ca, truong cao, huong cua
chua xang » chua nang, chuc nang, chu bang
dang cong » dung cong
cong san » cong tac
san toan » van toan, dan toan, manh toan
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 (trieu tinh)) - hanh ((truong cua) OR (truong quan)) dang cong san toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR (trieu tinh)) - hanh ((truong cua) OR (truong quan)) dang cong san toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chua xang) or (trieu tinh)) - hanh ((truong cua) OR (truong quan)) dang cong san toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) or (trieu tinh)) - hanh ((truong cua) OR (truong quan)) dang cong san toan cao*.