Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thuong gian » truong giang, phuong giang, khong gian
theo chieu » theo tieu, theo chu, thi chieu
gian lang » gian dan
lang cong » dang cong, bang cong, hang cong
cong luan » tong luan, cong tuan, dong luan
ho chieu » hoc thieu, mot chieu, doi 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 (theo chieu)) xanh - thanh thuong gian lang cong luan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - thanh thuong gian lang cong luan van ban*.