Perhaps you should try some spelling variations:
che chinh » te chinh
trung cua » truong cua, trung tuan, trung cap
dung cong » dung trong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
tang cua » mang cua, hang cua, tang luan
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: che chinh sach - hanh ((trung cua) or (tang cua)) dung cong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: che chinh sach - hanh ((trung cua) OR (tang cua)) dung cong manh toan cao.
• Adding a wildcard symbol may retrieve word variants: che chinh sach - hanh ((trung cua) or (tang cua)) dung cong manh toan cao*.