Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
lieu tinh » trieu tinh, diep tinh, bien tinh
cua khong » hua khong, cua phuong, cua thuong
doi lieu » duoc lieu, doi chieu, du lieu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
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: doi lieu tinh - ((canh tranh) or (hanh trinh)) cua khong ((cong dan) OR (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi lieu tinh - ((canh tranh) OR (hanh trinh)) cua khong ((cong dan) OR (cong tan)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi lieu tinh - ((canh tranh) or (hanh trinh)) cua khong ((cong dan) OR (cong tan)) toan cau".
• Adding a wildcard symbol may retrieve word variants: doi lieu tinh - ((canh tranh) or (hanh trinh)) cua khong ((cong dan) OR (cong tan)) toan cau*.