Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
hieu cach » hieu cac, chieu sach, hieu ca
tuan hang » tuan hoang, tuan bang, tuan dang
hang cong » dang cong, hang nong, bang cong
van thanh » ban thanh, van tuan
hoc hieu » hoc thieu, hoc hien, doc hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu cach - thanh trung tuan hang cong ((van thanh) or (dan ca)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu cach - thanh trung tuan hang cong ((van thanh) OR (dan ca)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu cach - thanh trung tuan hang cong ((van thanh) or (dan ca)) cau*.