Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh dong » anh dong, ha dong
cua nhung » va nhung
cong luan » tong luan, cong tuan, dong luan
dong cua » dung cua, cong cua, huong cua

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 xanh) or (lieu tinh)) - hanh dong cua nhung cong luan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (lieu tinh)) - hanh dong cua nhung cong luan van ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (lieu tinh)) - hanh dong cua nhung cong luan van ban*.