Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
chi thanh » chi nhanh, thi thanh, cho thanh
hang cong » dang cong, bang cong, thanh cong
hang nong » thang long, han tong
chi xanh » chi anh, chi danh, chi hanh
tran van » luan van
tuan cau » toan cau, quan cau, tuan cu

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 thanh)) - thanh tran van ((hang cong) OR (hang nong)) anh tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi thanh)) - thanh tran van ((hang cong) OR (hang nong)) anh tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi xanh) or (chi thanh)) - thanh tran van ((hang cong) OR (hang nong)) anh tuan cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) or (chi thanh)) - thanh tran van ((hang cong) OR (hang nong)) anh tuan cau*.