Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
tranh quan » tranh quang, trinh quan, thanh quan
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - canh ((tranh quan) OR (tranh luan)) dung cong tan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - canh ((tranh quan) OR (tranh luan)) dung cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - canh ((tranh quan) OR (tranh luan)) dung cong tan toan cau*.