Perhaps you should try some spelling variations:
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
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban
cong va » dong va, cong ha, cong tac

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