Perhaps you should try some spelling variations:
cua thuong » cua truong, ca thuong, cua huong
cua phuong » cuu phuong, cuc phuong, luan phuong
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
anh dang » anh dong, anh dung, anh bang
mai toan » bai toan, mai tan, mai loan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chua xang - anh dang ((cua thuong) or (cua phuong)) thuong mai toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chua xang - anh dang ((cua thuong) OR (cua phuong)) thuong mai toan ban.
• Adding a wildcard symbol may retrieve word variants: theo chua xang - anh dang ((cua thuong) or (cua phuong)) thuong mai toan ban*.