Perhaps you should try some spelling variations:
chieu tinh » lieu tinh, chau tinh, kieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
hanh tang » anh tang, hanh mang, hanh tung
tong cong » trong cong, cong cong, dung cong
cua tong » cua cong, cua dong, cua nong
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 ((chieu tinh) OR (trieu tinh)) - ((hanh tang) or (hanh trang)) cua tong cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (trieu tinh)) - ((hanh tang) OR (hanh trang)) cua tong cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tinh) OR (trieu tinh)) - ((hanh tang) or (hanh trang)) cua tong cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) OR (trieu tinh)) - ((hanh tang) or (hanh trang)) cua tong cong tan toan cau*.