Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sach » chinh sach, chiet tach, chieu sang
chu bang » thu bang, chuc nang, chu quang
tang cua » mang cua, hang cua, tang luan
cong van » cong vang, cong san, song van
van tan » van tuan, van ban, van tai
tan cau » toan cau, van cau, tan ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu bang) or (chieu sach)) - hanh ((tang cua) or (dung cho)) nhung cong van tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu bang) OR (chieu sach)) - hanh ((tang cua) OR (dung cho)) nhung cong van tan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chu bang) or (chieu sach)) - hanh ((tang cua) or (dung cho)) nhung cong van tan cau*.