Perhaps you should try some spelling variations:
quang phuong » bang phuong, dung phuong, hoang phuong
trong quang » truong quang, thong quang, trong quan
chao chieu » cao hieu, chao chu, ho chieu
chieu sach » chinh sach, chiet tach, chieu sang
lang trong » dung trong, cong trong, dong trong
cong sang » cong lang, cong vang, cong bang
cong san » 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: chao chieu sach - lang trong quang phuong ((cong san) or (cong sang)) luan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chieu sach - lang trong quang phuong ((cong san) OR (cong sang)) luan van.
• Adding a wildcard symbol may retrieve word variants: chao chieu sach - lang trong quang phuong ((cong san) or (cong sang)) luan van*.