Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
trang cua » tranh cua, trung cua, thang cua
cua sinh » hoa sinh, va sinh
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap
tinh » trinh, dinh, minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: o ((cuu tinh) or (cua sinh)) - hanh ((trang cua) or (tang cua)) nhung cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: o ((cuu tinh) OR (cua sinh)) - hanh ((trang cua) OR (tang cua)) nhung cong dan than cao.
• Adding a wildcard symbol may retrieve word variants: o ((cuu tinh) or (cua sinh)) - hanh ((trang cua) or (tang cua)) nhung cong dan than cao*.