Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
chi xanh » chi anh, chi danh, chi hanh
trinh va » trinh van, trinh vat, trinh ve
cong san » cong tac
san chan » san chang, dan chan, san chay
chan cau » phan cau, can cau, chinh cau
chi dan » choi dan, chi van, thi dan

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) or (chi dan)) - hanh trinh va nhung cong san chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi dan)) - hanh trinh va nhung cong san chan cau*.