Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh vat » trinh van, trinh luat, sinh vat
dang cong » dung cong
chi xanh » chi danh, chi hanh, chieu xanh
vat dang » van dang, vat dung, va dang
cong san » cong tac
chi anh » chi danh, chi hanh, thi anh
san tai » sang tai, van tai, han tai
tai cua » thai cua, tai cuc, tri cua

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 anh)) - hanh trinh vat dang cong san tai cua~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi anh)) - hanh trinh vat dang cong san tai cua.
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) or (chi anh)) - hanh trinh vat dang cong san tai cua*.