Perhaps you should try some spelling variations:
trong thanh » truong thanh, trung thanh, rong thanh
thanh nhung » thanh hung, hanh nhung, tranh nhung
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, mot chieu
anh trong » anh thuong, dinh trong, lang trong
cong tac » cong ty
tac luan » tac quan, tao luan, tang luan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - anh trong thanh nhung cong tac luan van~.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - anh trong thanh nhung cong tac luan van*.