Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhanh dong
theo chieu » theo tieu, ho chieu, thi chieu
nhan dang » nhan dan, phan dang, tran dang
luan hung » luan chung, lan hung, luan ung
hung cong » nhung cong, hung cuong, phung cong
cong luan » tong luan, cong tuan, dong luan
theo chu » cho chu, chao chu, theo yeu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chu) OR (theo chieu)) han - ((nhanh lang) or (nhan dang)) luan hung cong luan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (theo chieu)) han - ((nhanh lang) OR (nhan dang)) luan hung cong luan van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chu) OR (theo chieu)) han - ((nhanh lang) or (nhan dang)) luan hung cong luan van ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chu) OR (theo chieu)) han - ((nhanh lang) or (nhan dang)) luan hung cong luan van ban*.