Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh trang » thanh trung, canh tranh, minh trang
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
qua dung » quang dung, su dung, qua song
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap
chu van » cuu van, chu han

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 van - ((hanh trang) or (hanh trinh)) qua dung cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu van - ((hanh trang) OR (hanh trinh)) qua dung cong dan than tap.
• Adding a wildcard symbol may retrieve word variants: theo chu van - ((hanh trang) or (hanh trinh)) qua dung cong dan than tap*.