Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
chau tinh » cuu tinh, ha tinh, cua tinh
trang va » tran van, hang va
ho chau » ha chau, ho chu, o chau
tang va » tang van, thang va, tang vat
tra cau » tra sau, tra cuu, toan cau
ta cau » tao cau, va cau, da cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chau tinh - hanh ((tang va) or (trang va)) nhung cong thanh ((tra cau) OR (ta cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chau tinh - hanh ((tang va) OR (trang va)) nhung cong thanh ((tra cau) OR (ta cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chau tinh - hanh ((tang va) or (trang va)) nhung cong thanh ((tra cau) OR (ta cau))".
• Adding a wildcard symbol may retrieve word variants: ho chau tinh - hanh ((tang va) or (trang va)) nhung cong thanh ((tra cau) OR (ta cau))*.