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 » khung hoc, khong thuoc, khong chuc
thong hoc » thuong hoc, tuong hoc, thong hoa
phan gian » phan giai, phan giay, phan gia
cong coc » cong cuoc, cong cac, cong co
hoa phan » hoa dan, co phan
gian dan » gian lang
anh hoc » sinh hoc, benh hoc, hinh hoc
tu anh » tu hanh, tu manh, thu anh

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu anh hoc tap, nghien thu cong coc nganh ((khong hoc) OR (thong hoc)) ma hoa phan gian dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu anh hoc tap, nghien thu cong coc nganh ((khong hoc) OR (thong hoc)) ma hoa phan gian dan".
• Adding a wildcard symbol may retrieve word variants: tu anh hoc tap, nghien thu cong coc nganh ((khong hoc) OR (thong hoc)) ma hoa phan gian dan*.