Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
dung cong » dung trong
cong toan » cong tan, cong hoan, cong doan
cong tuan » cong tan, cong luan, cong thanh
chi xanh » chi anh, chi danh, chi hanh
trang va » tran van, hang va
cong san » cong tac
doi chi » doi khi
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - hanh trang va dung cong ((((cong toan) or (cong tuan))) or (cong san)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - hanh trang va dung cong ((((cong toan) OR (cong tuan))) OR (cong san)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh trang va dung cong ((((cong toan) or (cong tuan))) or (cong san)) cau*.