Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
hanh manh » hanh mang, lanh manh, hoang manh
nhan dang » nhan dan, phan dang, tran dang
cua thong » cua thuong, cua khong, cua tong
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - ((hanh manh) or (nhan dang)) cua thong cong dan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((hanh manh) OR (nhan dang)) cua thong cong dan ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((hanh manh) or (nhan dang)) cua thong cong dan ((toan cau) or (toan tap))*.