Perhaps you should try some spelling variations:
trinh quang » tinh quang, trinh quan, tranh quang
chieu xanh » chieu sach, chieu tinh
chieu sang » chieu sach, hieu lang, nhieu tang
canh trinh » canh tranh, hanh trinh, canh tinh
quang dung » quang trung, ung dung, cuong dung
trong luan » truong luan, tong luan, trong quan
hieu manh » hieu nganh, dieu hanh, hien hanh
van cau » van dau, van hau, van chat

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 xanh) OR (hieu manh))) or (chieu sang)) - canh trinh quang dung trong luan van cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((((chieu xanh) OR (hieu manh))) OR (chieu sang)) - canh trinh quang dung trong luan van cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((((chieu xanh) OR (hieu manh))) or (chieu sang)) - canh trinh quang dung trong luan van cau*".