Perhaps you should try some spelling variations:
luan chung » luan chinh
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
ha tinh » va tinh, may tinh
doi ha » doi hoa, doi va, hoi ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ha tinh - canh tranh ((cua nhung) or (luan chung)) cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ha tinh - canh tranh ((cua nhung) OR (luan chung)) cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: doi ha tinh - canh tranh ((cua nhung) or (luan chung)) cong dan than cau*.