Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tach » chiet tach, chieu sach, chiu trach
trung tuan » trung thanh, trung tam, tran tuan
tuan dung » tuan duong, tran dung, tan dung
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
tan than » tan thanh, ban than, tam than

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