Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
ho lieu » so lieu, co lieu, ho kieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho lieu) or (doc hieu)) tinh - hanh tranh cua nhung cong dan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho lieu) OR (doc hieu)) tinh - hanh tranh cua nhung cong dan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((ho lieu) or (doc hieu)) tinh - hanh tranh cua nhung cong dan ((toan cau) or (toan ban))*.