Perhaps you should try some spelling variations:
thanh trung » thanh tung
hanh trang » canh tranh, hanh trinh, minh trang
tieu sang » chieu sang, tieu dung, tinh sang
tiem nang » tin nang, tich nang
dong cong » duong cong, dung cong, dang cong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » 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 ((tieu sang) or (tiem nang)) - ((hanh trang) OR (thanh trung)) van dong cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu sang) OR (tiem nang)) - ((hanh trang) OR (thanh trung)) van dong cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu sang) or (tiem nang)) - ((hanh trang) OR (thanh trung)) van dong cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu sang) or (tiem nang)) - ((hanh trang) OR (thanh trung)) van dong cong tan toan cau*.