Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
chi thanh » chi nhanh, thi thanh, cho thanh
nang cong » nang song, dang cong, bang cong
chi xanh » chi anh, chi danh, chi hanh
tran van » luan van
van nang » van quang, van ban, van dong
cong anh » cong danh, dong anh, hong anh
tuan cau » toan cau, quan cau, tuan cu
tuan thu » toan thuc, van 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 nang cong anh ((tuan cau) or (tuan thu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi thanh)) - thanh tran van nang cong anh ((tuan cau) OR (tuan thu)).
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) or (chi thanh)) - thanh tran van nang cong anh ((tuan cau) or (tuan thu))*.