Perhaps you should try some spelling variations:
hoc thieu » toc thieu
canh manh » lanh manh, canh tranh, cach mang
bang cong » dang cong, bang song, hang cong
cong luan » tong luan, cong tuan, dong luan
luan phan » luan van, luan hoan
manh cua » doanh cua, ban cua
cua bang » chua bang, cua ban, cua dang
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (hoc hien)) xanh - canh manh cua bang cong luan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) xanh - canh manh cua bang cong luan phan dau*.