Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
chieu sach » chiet tach, chieu sang, chieu xanh
cong thanh » dong thanh, cong trinh, cong tan
thanh phan » thanh pho, thanh san, thanh toan
dung cong » dung trong
trinh su » trinh tu, trinh san, trinh cau
phan cac » nhan cach, phan dau, phan lap
tinh » dinh, minh, kinh

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) or (((chieu sach) or (chinh sach)))) - canh trinh su dung cong thanh phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((trieu tinh) OR (((chieu sach) OR (chinh sach)))) - canh trinh su dung cong thanh phan cac.
• Adding a wildcard symbol may retrieve word variants: ho ((trieu tinh) or (((chieu sach) or (chinh sach)))) - canh trinh su dung cong thanh phan cac*.