Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh tang » hanh trang, anh tang, hanh mang
cua thong » cua thuong, cua khong, cua tong
chi hanh » chi nhanh, chi thanh, thi hanh
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tap
chi anh » chi danh, thi anh, chi nhanh

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 anh) or (chi hanh)) - hanh tang cua thong cong dan ((toan cau) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi anh) OR (chi hanh)) - hanh tang cua thong cong dan ((toan cau) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: doi ((chi anh) or (chi hanh)) - hanh tang cua thong cong dan ((toan cau) or (van ban))*.