Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
theo chu » theo chieu, cho chu, theo yeu
chao chu » cho chu, cua chu, chao xu
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau
cao cho » cap cho, cao chat

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

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