Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
cong tuan » cong tan, cong luan, cong thanh
chi xanh » chi anh, chi danh, chi hanh
trang va » tran van, hang va
va thong » va thuong, va phuong, he thong
cong san » cong tac
doi chi » doi khi

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 thong ((cong tuan) or (cong san)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - hanh trang va thong ((cong tuan) OR (cong san)) phan tu.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh trang va thong ((cong tuan) or (cong san)) phan tu*.