Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tran tuan » tran xuan, tran quang, tran thanh
cong tan » cong tac, cong san, cong thanh
tan hang » tan khang, ban hang, van hang
hang dau » hang va, hang tai
ho lieu » so lieu, ho kieu, ho chieu
co lieu » cot lieu, co hieu, so lieu

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 (co lieu)) tinh - thanh ((trung tam) or (tran tuan)) nhung cong tan hang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho lieu) OR (co lieu)) tinh - thanh ((trung tam) OR (tran tuan)) nhung cong tan hang dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho lieu) OR (co lieu)) tinh - thanh ((trung tam) or (tran tuan)) nhung cong tan hang dau".
• Adding a wildcard symbol may retrieve word variants: ((ho lieu) OR (co lieu)) tinh - thanh ((trung tam) or (tran tuan)) nhung cong tan hang dau*.