Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
hanh tranh » canh tranh, hanh trinh, hanh trang
theo phap » thi phap
phap tinh » phap sinh, phap tieng, phap tang
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
toan cau » toan cao, toan ban, toan tap

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 phap tinh - hanh tranh ((cua dung) OR (cua dang)) cong thanh ((toan cau) OR (van ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo phap tinh - hanh tranh ((cua dung) OR (cua dang)) cong thanh ((toan cau) or (van ban))~".
• Adding a wildcard symbol may retrieve word variants: theo phap tinh - hanh tranh ((cua dung) OR (cua dang)) cong thanh ((toan cau) or (van ban))*.