Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
tang cua » mang cua, hang cua, tang luan
dung cua » dung luan, dung cho
cong san » cong tac
toan ban » van ban

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 - hanh ((tang cua) or (dung cua)) cong ((cong thanh) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chua xang - hanh ((tang cua) OR (dung cua)) cong ((cong thanh) OR (cong san)) toan ban.
• Adding a wildcard symbol may retrieve word variants: theo chua xang - hanh ((tang cua) or (dung cua)) cong ((cong thanh) or (cong san)) toan ban*.