Perhaps you should try some spelling variations:
trinh than » trinh thanh, trinh han, trinh toan
cong huong » cong thuong, cong luong, cong hung
manh toan » thanh toan, anh tuan, tinh toan
theo chu » theo chieu, cho chu, chao chu
chu xang » chua xang, chu bang, chuc nang
than cua » nhan cua, thai cua, ban cua
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xang - trinh than cua cong huong ((dan than) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xang - trinh than cua cong huong ((dan than) OR (manh toan)) cau*.