Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
nhanh mang » nhanh lang, hanh mang, nhanh quang
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
mang cua » manh cua, dung cua, ban cua
cong dan » cong san, cong tan, huong dan
chan tu » phan tu, han tu, chon tu
cho tu » choi tu, chon tu, cho cu

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) or (chiet tach)) - nhanh mang cua thong cong dan ((chan tu) or (cho tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chiet tach)) - nhanh mang cua thong cong dan ((chan tu) OR (cho tu)).
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chiet tach)) - nhanh mang cua thong cong dan ((chan tu) or (cho tu))*.