Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
hoa chinh » hoan chinh, hoa hinh, hoc chinh
hang cong » dang cong, hang nong, bang cong
chan tach » phan tach, phan tich, nhan cach
tranh va » tranh van, trang va, trinh va
dan chan » dan gian, dan ca, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoa chinh sach - canh tranh va ((nhung cong) or (hang cong)) dan chan tach~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoa chinh sach - canh tranh va ((nhung cong) OR (hang cong)) dan chan tach.
• Adding a wildcard symbol may retrieve word variants: hoa chinh sach - canh tranh va ((nhung cong) or (hang cong)) dan chan tach*.