Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
nhung cong » dung cong, thong cong, hang cong
thanh tra » thanh toan, thanh hoa
thang va » hang va, trang va, thong va
tang va » trang va, tang van, tang vat
tra cau » tra sau, ta cau, tra cuu
ho cuu » ho chu, ho cua, so cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho cuu tinh - hanh ((tang va) OR (thang va)) nhung cong thanh tra cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho cuu tinh - hanh ((tang va) OR (thang va)) nhung cong thanh tra cau".
• Adding a wildcard symbol may retrieve word variants: ho cuu tinh - hanh ((tang va) OR (thang va)) nhung cong thanh tra cau*.