Perhaps you should try some spelling variations:
canh trinh » canh tranh, canh tinh, anh trinh
hanh trinh » canh tranh, hanh chinh
hang huong » hang thuong, hoang phuong, bang phuong
hang luong » nang luong, hang thuong, hoang vuong
tieu xanh » tieu danh, chieu xanh, dieu hanh
van tuan » van quan, van ban, anh tuan
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - ((canh trinh) or (hanh trinh)) ve ((hang huong) OR (hang luong)) van tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((canh trinh) OR (hanh trinh)) ve ((hang huong) OR (hang luong)) van tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((canh trinh) or (hanh trinh)) ve ((hang huong) OR (hang luong)) van tuan cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((canh trinh) or (hanh trinh)) ve ((hang huong) OR (hang luong)) van tuan cau*.