Perhaps you should try some spelling variations:
luan phuong » lan phuong, quang phuong, doan phuong
thieu xanh » chieu xanh, hieu manh, thien anh
cua phuong » cuu phuong, cuc phuong, xuan phuong
hoc thieu » toc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - canh tranh ((cua cong) or (((cua phuong) OR (luan phuong)))) cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh ((cua cong) OR (((cua phuong) OR (luan phuong)))) cong dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tranh ((cua cong) or (((cua phuong) OR (luan phuong)))) cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh ((cua cong) or (((cua phuong) OR (luan phuong)))) cong dan toan cao*.