Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
canh trinh » canh tranh, hanh trinh, canh tinh
trinh ung » trinh dung, trinh duong, trinh nhung
trong van » trong cac
cua tinh » cua sinh, va tinh, ha tinh
van toan » van tuan, van tan, van thanh
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 ((chieu tinh) or (((cua tinh) or (may tinh)))) - canh trinh ung dung trong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (((cua tinh) OR (may tinh)))) - canh trinh ung dung trong van toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (((cua tinh) or (may tinh)))) - canh trinh ung dung trong van toan ban*.