Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, chau tinh, kieu tinh
hanh trang » thanh trung, hanh trinh, minh trang
lieu tinh » trieu tinh, diep tinh, bien tinh
dang cong » dung cong
cong than » cong thanh, cong thang, cong tan
than phan » thanh phan, toan phan, thanh pham
van dang » van dong, van dung, van nang
phan tap » phan lap, han tap, pha 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 ((chieu tinh) OR (lieu tinh)) - ((hanh trang) or (canh tranh)) van dang cong than phan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (lieu tinh)) - ((hanh trang) OR (canh tranh)) van dang cong than phan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tinh) OR (lieu tinh)) - ((hanh trang) or (canh tranh)) van dang cong than phan tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) OR (lieu tinh)) - ((hanh trang) or (canh tranh)) van dang cong than phan tap*.