Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh manh » hanh mang, lanh manh, hoang manh
cua khong » hua khong, cua phuong, cua thuong
manh cua » doanh cua, ban cua
cong dan » cong san, cong tan, cong dong
toan cau » toan ban, toan tap, toan tai
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: du lieu tinh - hanh manh cua khong ((cong dan) or (huong dan)) ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: du lieu tinh - hanh manh cua khong ((cong dan) OR (huong dan)) ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: du lieu tinh - hanh manh cua khong ((cong dan) or (huong dan)) ((toan cau) or (toan cao))*.