Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong doan » cong dan, cong hoan, dong doanh
hoc hieu » hoc thieu, hoc hien, doc hieu
va ban » van ban, va bai, va bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu lang - canh tranh cua nhung cong doan va ban~.
• Adding a wildcard symbol may retrieve word variants: hoc hieu lang - canh tranh cua nhung cong doan va ban*.