Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
chi thanh » chi nhanh, thi thanh, cho thanh
bang cong » dang cong, bang song, hang cong
chi xanh » chi anh, chi danh, chi hanh
tran van » luan van
van bang » van ban, van nang, von bang
cong anh » cong danh, dong anh, hong anh
tuan cau » toan cau, quan cau, thuan cam
tuan cu » tuan tu, quan cua, tuan thu

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