Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong luan » tong luan, cong tuan, dong luan
luan phan » luan van, luan hoan
phan cac » nhan cach, phan dau, phan lap

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 sang) or (chiet tach)) - canh tranh cua nhung cong luan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chiet tach)) - canh tranh cua nhung cong luan phan cac.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chiet tach)) - canh tranh cua nhung cong luan phan cac*.