Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tran tuan » tran xuan, tran quang, tran thanh
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cac » thanh cac, phan cac, thac cac
ho lieu » co lieu, ho kieu, ho chieu
so lieu » so dieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho lieu) or (so lieu)) tinh - thanh ((trung tam) or (tran tuan)) nhung cong ban than cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho lieu) OR (so lieu)) tinh - thanh ((trung tam) OR (tran tuan)) nhung cong ban than cac.
• Adding a wildcard symbol may retrieve word variants: ((ho lieu) or (so lieu)) tinh - thanh ((trung tam) or (tran tuan)) nhung cong ban than cac*.