Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » hanh chinh
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

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