Perhaps you should try some spelling variations:
hanh trinh » canh tranh
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
qua dung » quang dung, su dung, qua cong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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 - ((hanh trinh) or (hanh chinh)) ((qua dung) OR (qua song)) cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((hanh trinh) OR (hanh chinh)) ((qua dung) OR (qua song)) cong dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - ((hanh trinh) or (hanh chinh)) ((qua dung) OR (qua song)) cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - ((hanh trinh) or (hanh chinh)) ((qua dung) OR (qua song)) cong dan toan cao*.