Perhaps you should try some spelling variations:
thanh dinh » thanh binh, thanh tinh, thanh vinh
mot chieu » doi chieu, ho chieu
dung cong » dung trong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
ho trieu » mot trieu, 25 trieu, 30 trieu
toan cau » toan cao, toan ban, toan tap
dinh cu » dinh cuu, dinh chuc, dinh chau
cu dung » su dung, cau duong, duc dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho trieu) or (mot chieu)) tinh - thanh dinh cu dung cong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (mot chieu)) tinh - thanh dinh cu dung cong manh toan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) or (mot chieu)) tinh - thanh dinh cu dung cong manh toan cau*.