Perhaps you should try some spelling variations:
theo chinh » thien chinh, te chinh, che chinh
cong thanh » dong thanh, cong trinh, truong thanh
chinh sua » chinh cua, chinh luan, hinh su
chinh su » hinh su, chinh phu, chinh ta
cong tan » cong tac, cong san, cong ty
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 chinh sach - hanh ((chinh sua) or (chinh su)) dung ((cong tan) OR (cong thanh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chinh sach - hanh ((chinh sua) OR (chinh su)) dung ((cong tan) OR (cong thanh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chinh sach - hanh ((chinh sua) or (chinh su)) dung ((cong tan) OR (cong thanh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo chinh sach - hanh ((chinh sua) or (chinh su)) dung ((cong tan) OR (cong thanh)) toan cau*.