Perhaps you should try some spelling variations:
thanh trung » thanh tung
cac phuong » cac truong
duong tinh » duong minh, duong sinh, dong tinh
chua xang » chua nang, chuc nang, chu bang
va thong » va thuong, va phuong, he thong
toan cau » toan cao, toan ban, toan tap
ho chua » ho chung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chua xang - ((thanh trung) or (canh tranh)) ((va thong) or (cac phuong)) duong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chua xang - ((thanh trung) OR (canh tranh)) ((va thong) OR (cac phuong)) duong tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chua xang - ((thanh trung) or (canh tranh)) ((va thong) or (cac phuong)) duong tinh toan cau*.