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 phan » ban phap, van phan, ban than
phan cac » nhan cach, phan dau, phan lap
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 phan 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 phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho lieu) OR (so lieu)) tinh - thanh ((trung tam) or (tran tuan)) nhung cong ban phan cac".
• Adding a wildcard symbol may retrieve word variants: ((ho lieu) OR (so lieu)) tinh - thanh ((trung tam) or (tran tuan)) nhung cong ban phan cac*.