Perhaps you should try some spelling variations:
trinh cua » trinh luat, trinh quan, trinh luan
chu xang » chua xang, chu bang, chuc nang
tinh cua » sinh cua, tinh chat, tranh cua
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
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.

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