Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chi xanh » chi danh, chi hanh, chieu xanh
vat hang » van hang, dat hang, mat hang
cong san » cong tac
san thai » sac thai, ban thai, van thai
thai cua » than cua, tai cuc, tri cua
chi anh » chi danh, chi hanh, thi anh
va hang » van hang, va nang, va lang

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 hang) OR (va hang)) cong san thai cua~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi anh)) - hanh trinh ((vat hang) OR (va hang)) cong san thai cua.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi xanh) or (chi anh)) - hanh trinh ((vat hang) OR (va hang)) cong san thai cua".
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) or (chi anh)) - hanh trinh ((vat hang) OR (va hang)) cong san thai cua*.