Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chau tinh » cuu tinh, ha tinh, cua tinh
thang van » tang van, thanh van, thong van
trinh tra » trinh ra, trinh tro, trinh tru
thang va » hang va, thong va, thanh va
trang va » tran van, hang va
ho chau » ha chau, ho chu, o chau
tra cau » tra sau, ta cau, tra 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 chau tinh - hanh ((((thang va) or (thang van))) or (trang va)) nhung cong trinh tra cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chau tinh - hanh ((((thang va) OR (thang van))) OR (trang va)) nhung cong trinh tra cau.
• Adding a wildcard symbol may retrieve word variants: ho chau tinh - hanh ((((thang va) or (thang van))) or (trang va)) nhung cong trinh tra cau*.