Perhaps you should try some spelling variations:
tranh luan » trinh luat, doanh luan, tang luan
trinh luan » trinh luat, trinh quan, trinh han
dung cong » dung trong
theo chu » theo chieu, chao chu, theo yeu
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
cho chu » cho thue

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) or (cho chu)) xanh - canh ((tranh luan) OR (trinh luan)) dung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (cho chu)) xanh - canh ((tranh luan) OR (trinh luan)) dung cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chu) or (cho chu)) xanh - canh ((tranh luan) OR (trinh luan)) dung cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (cho chu)) xanh - canh ((tranh luan) OR (trinh luan)) dung cong tan toan cau*.