Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
dich hoc » sinh hoc, hinh hoc, tinh hoc
cong hoa » dong hoa, dong hoc, hang hoa
hoa danh » hoa doanh, hoa dan, hop danh
danh hoa » thanh hoa, khanh hoa, nganh hoa
cau nhan » chau nhan, cu nhan, cam nhan
te dich » ve dich, tam dich, tap dich
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: te dich hoc tap, nghien thu cong hoa danh hoa hoc xa hoi ((cau nhan) OR (ca nhan)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te dich hoc tap, nghien thu cong hoa danh hoa hoc xa hoi ((cau nhan) OR (ca nhan)) van".
• Adding a wildcard symbol may retrieve word variants: te dich hoc tap, nghien thu cong hoa danh hoa hoc xa hoi ((cau nhan) OR (ca nhan)) van*.