Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
coc nganh » hoc nganh, cac nganh, chuc nganh
khong hoc » thong hoc, khong thuoc, khong chuc
khung hoc » chung hoc, nhung hoc, thuong hoc
hanh hoc » thanh hoc, hinh hoc, anh hoc
cong coc » cong cuoc, cong cac, cong co
gian dan » gian lang
tu hanh » du hanh, lu hanh, thuc hanh
vo gian » vo giang, va gian, vo gia
hoa vo » hoa co

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu hanh hoc tap, nghien thu cong coc nganh ((khong hoc) or (khung hoc)) ma hoa vo gian dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu hanh hoc tap, nghien thu cong coc nganh ((khong hoc) OR (khung hoc)) ma hoa vo gian dan.
• Adding a wildcard symbol may retrieve word variants: tu hanh hoc tap, nghien thu cong coc nganh ((khong hoc) or (khung hoc)) ma hoa vo gian dan*.