Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trinh » canh tranh, hanh chinh
cong quang » luong quang, thong quang, duong quang
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
chi sach » chinh sach, chieu sach, co sach
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - hanh trinh cua nhung cong quang ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - hanh trinh cua nhung cong quang ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doi chi sach - hanh trinh cua nhung cong quang ((toan cau) or (toan ban))*.