Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
mot chieu » ho chieu
doi chieu » doc hieu, doi chi, ho chieu
cong luan » tong luan, cong tuan, dong luan
luan phan » luan van, luan hoan
canh van » anh van, can van, cach van
van va » van vat, van van, ban va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (doi chieu)) xanh - canh van va nhung cong luan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doi chieu)) xanh - canh van va nhung cong luan phan tu.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doi chieu)) xanh - canh van va nhung cong luan phan tu*.