Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, lanh tranh
hanh trang » thanh trung, canh tranh, hanh trinh
khong cong » thong cong, khong cang, chong cong
duoc lieu » du lieu
doi chieu » doc hieu, doi chi, ho chieu
cua khong » hua khong, cua phuong, cua thuong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh 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: ((duoc lieu) or (doi chieu)) tinh - ((hanh tranh) OR (hanh trang)) cua khong cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((duoc lieu) OR (doi chieu)) tinh - ((hanh tranh) OR (hanh trang)) cua khong cong dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((duoc lieu) or (doi chieu)) tinh - ((hanh tranh) OR (hanh trang)) cua khong cong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: ((duoc lieu) or (doi chieu)) tinh - ((hanh tranh) OR (hanh trang)) cua khong cong dan toan cau*.