Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
trinh quan » tinh quang, trinh luat, trinh han
trong luan » truong luan, tong luan, trong quan
hoc thieu » toc thieu, hoc hien
quan dung » quang dung, quan duong, qua dung
luan phan » luan van, luan hoan
ho chieu » theo chieu, doi chieu, mot chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (hoc thieu)) xanh - canh trinh quan dung trong luan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - canh trinh quan dung trong luan phan tu.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - canh trinh quan dung trong luan phan tu*.