Perhaps you should try some spelling variations:
luan phuong » lan phuong, quang phuong, doan phuong
cua phuong » cuu phuong, cuc phuong, xuan phuong
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc chieu » hoc thieu, ho chieu, hoc hien
hoang van » hang va
van tuan » van quan, van ban, anh tuan
tuan bac » thanh bac, xuan bach, tuan bang
doi chi » doi khi

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

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