Perhaps you should try some spelling variations:
chieu tach » chiet tach, chieu sach, chiu trach
trung tuan » trung thanh, trung tam, truong thanh
tran tuan » tran xuan, tran quang, tran thanh
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
dan chan » dan gian, dan ca, van chat
van than » van thanh, van thang, van tuan

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 tach - thanh ((trung tuan) or (tran tuan)) dung cong ((dan chan) or (van than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tach - thanh ((trung tuan) OR (tran tuan)) dung cong ((dan chan) OR (van than)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu tach - thanh ((trung tuan) or (tran tuan)) dung cong ((dan chan) or (van than)) cau*.