Perhaps you should try some spelling variations:
thong quang » thong quan, thong qua, luong quang
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cua thong » cua thuong, cua khong, cua tong
chi sach » chinh sach, chieu sach, co sach
toan cau » toan cao, toan ban, toan tap
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 thong thong quang ((toan cau) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - hanh trinh cua thong thong quang ((toan cau) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: doi chi sach - hanh trinh cua thong thong quang ((toan cau) or (van ban))*.