Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
dung chung » dung cong, dung ung, dung trung
cua dung » cua dang, cua dong, qua dung
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - ((hanh tranh) or (hanh trinh)) cua dung chung ((dan than) OR (dan chan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((hanh tranh) OR (hanh trinh)) cua dung chung ((dan than) OR (dan chan)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - ((hanh tranh) or (hanh trinh)) cua dung chung ((dan than) OR (dan chan)) tap".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ((hanh tranh) or (hanh trinh)) cua dung chung ((dan than) OR (dan chan)) tap*.