Perhaps you should try some spelling variations:
nhanh trinh » hanh trinh, nhanh tinh, thanh trinh
chieu tinh » trieu tinh, lieu tinh, chau tinh
trinh quan » tinh quang, trinh luat, trinh han
doi chieu » doc hieu, doi chi, ho chieu
quan dang » quang dang, quan lang, quan dong
dang cong » dung cong
tan toan » tan tran, tap toan, van toan
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu tinh - nhanh trinh quan dang cong ((tan toan) or (van tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - nhanh trinh quan dang cong ((tan toan) OR (van tuan)) cau*.