Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
luan tuong » luat thuong, xuan truong, luan phuong
luan luong » luan phuong, tuan duong, van luong
chu xanh » chieu xanh, chua xang, chuc danh
chu manh » ho manh, chu han, chu van
cong tan » cong tac, cong san, cong thanh
tran cao » toan cao, tran chau, trang cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) or (chu manh)) - hanh tranh ((luan tuong) OR (luan luong)) cong tan tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chu manh)) - hanh tranh ((luan tuong) OR (luan luong)) cong tan tran cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) or (chu manh)) - hanh tranh ((luan tuong) OR (luan luong)) cong tan tran cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chu manh)) - hanh tranh ((luan tuong) OR (luan luong)) cong tan tran cao*.