Perhaps you should try some spelling variations:
luan phuong » lan phuong, quang phuong, doan phuong
canh doanh » hanh doanh, chinh doanh, doanh doanh
chieu sang » chieu sach, chieu xanh, nhieu tang
cua phuong » cuu phuong, cuc phuong, xuan phuong
hieu lang » hieu quang, nhieu tang, hieu van
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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) or (chieu sang)) - canh doanh ((cua phuong) OR (luan phuong)) cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu lang) OR (chieu sang)) - canh doanh ((cua phuong) OR (luan phuong)) cong dan van ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu lang) or (chieu sang)) - canh doanh ((cua phuong) OR (luan phuong)) cong dan van ban*".