Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cua tinh
tranh cua » doanh cua, manh cua
cua trong » cua truong, cua trung, qua trong
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
toan ban » van ban
ho chau » ha chau, ho chu, o chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chau tinh - canh tranh cua trong cong tap toan ban~.
• Adding a wildcard symbol may retrieve word variants: ho chau tinh - canh tranh cua trong cong tap toan ban*.