Perhaps you should try some spelling variations:
cua thuong » cua truong, cua phuong, ca thuong
ho trieu » mot trieu, 25 trieu, 30 trieu
anh tang » anh bang, anh dang, anh nang
cua dong » chua dong, cua cong, cua dang
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
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: ho trieu tinh - anh tang ((cua dong) or (cua thuong)) cong tap toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho trieu tinh - anh tang ((cua dong) OR (cua thuong)) cong tap toan ban.
• Adding a wildcard symbol may retrieve word variants: ho trieu tinh - anh tang ((cua dong) or (cua thuong)) cong tap toan ban*.