Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
chao chu » cho chu, cua chu, cao cho
chu xanh » chu manh, chieu xanh, chua xang
tung cua » trung cua, tuong cua, tang cua
dung cua » dung luan, dung cho
cong san » cong tac
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: chao chu xanh - thanh ((tung cua) or (dung cua)) dang ((cong thanh) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chu xanh - thanh ((tung cua) OR (dung cua)) dang ((cong thanh) OR (cong san)) toan cao.
• Adding a wildcard symbol may retrieve word variants: chao chu xanh - thanh ((tung cua) or (dung cua)) dang ((cong thanh) or (cong san)) toan cao*.