Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
hinh trong » chinh trong, dinh trong, sinh trong
dung cong » dung trong
trong da » trong dam, trong dan, trong dao
cong dan » cong san, cong tan, huong dan
da dung » dan dung, dat dung, da dang

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 (chieu sang)) - hinh trong da dung cong dan ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu sang)) - hinh trong da dung cong dan ((toan ban) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu sang)) - hinh trong da dung cong dan ((toan ban) or (van ban))*.