Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » hanh trinh, hanh trang, lanh tranh
thu phuong » thi phuong, thu huong, theo phuong
hoc thieu » toc thieu, hoc hien
van than » van thanh, van thang, van tuan
than cao » toan cao, thai cao, than cap

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 - ((hanh tranh) OR (canh tranh)) cua ((dung phuong) or (thu phuong)) van than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh tranh) OR (canh tranh)) cua ((dung phuong) OR (thu phuong)) van than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((hanh tranh) OR (canh tranh)) cua ((dung phuong) or (thu phuong)) van than cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh tranh) OR (canh tranh)) cua ((dung phuong) or (thu phuong)) van than cao*.