Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
nhanh mang » nhanh lang, hanh mang, nhanh quang
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
mang cua » manh cua, dung cua, ban cua
cong dan » cong san, cong tan, huong dan
chan tu » phan tu, han tu, chai tu
chon tu » con tu, cho tu, choi tu

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