Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sang » chieu sach, chieu xanh, hieu lang
manh binh » thanh binh, ninh binh, tinh binh
binh luan » trinh luan
cong danh » cuong danh, cong dan, cong thanh
danh phan » doanh phan, danh nhan, danh phap
van cong » van dong, van phong, phan cong

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 tinh) OR (chieu sang)) - manh binh luan van cong danh phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu tinh) OR (chieu sang)) - manh binh luan van cong danh phan tu*".