Perhaps you should try some spelling variations:
duong cong » dung cong, luong cong, duong trong
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh qua » doanh quan, doanh cua, danh qua
qua duong » quan duong, qua dung, qua dong
chi xanh » chi anh, chi danh, chieu xanh
chi hanh » chi nhanh, chi thanh, thi hanh
tan thai » ban thai, tan tai, van thai
tay thai » lay thai, toc thai, y thai

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 hanh)) - hanh doanh qua duong cong ((tan thai) OR (tay thai)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi hanh)) - hanh doanh qua duong cong ((tan thai) OR (tay thai)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi xanh) or (chi hanh)) - hanh doanh qua duong cong ((tan thai) OR (tay thai)) cao".
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) or (chi hanh)) - hanh doanh qua duong cong ((tan thai) OR (tay thai)) cao*.