Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
chau tinh » cuu tinh, ha tinh, cua tinh
hieu lang » chieu sang, hieu quang, nhieu tang
trung cua » truong cua, trung cap, dung cua
cong doan » cong dan, cong hoan, dong doanh
doan van » doan va, hoang van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chau tinh) or (hieu lang)) - manh ((trung cua) or (trung tuan)) nhung cong doan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chau tinh) OR (hieu lang)) - manh ((trung cua) OR (trung tuan)) nhung cong doan van ban.
• Adding a wildcard symbol may retrieve word variants: ho ((chau tinh) or (hieu lang)) - manh ((trung cua) or (trung tuan)) nhung cong doan van ban*.