Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
chi xanh » chi anh, chi danh, chi hanh
cua hang » cua nhung, cua cong, cua ban
cua dang » cua cong, cua ban
toan ban » van ban
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 trinh) OR (canh tranh)) ((cua hang) or (cua dang)) cong thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - ((hanh trinh) OR (canh tranh)) ((cua hang) OR (cua dang)) cong thanh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - ((hanh trinh) OR (canh tranh)) ((cua hang) or (cua dang)) cong thanh toan ban".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - ((hanh trinh) OR (canh tranh)) ((cua hang) or (cua dang)) cong thanh toan ban*.