Perhaps you should try some spelling variations:
nghien huoc » nghiem thuoc, nghiem duoc, nghiem nuoc
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
sanh hoc » sinh hoc, anh hoc, danh hoc
huoc mot » hoc mot, huong mot, thuoc moi
mai khoi » mai khoa, tai khoa, cac khoi
phan van » pham van, thanh van, luan van
so sanh » do sanh
mot hoc » mon hoc, mo hoc, mot goc
ca phan » cac phan, cao phan, cap phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh hoc tap, nghien huoc mot hoc nganh hoa hoc ((mai khoi) or (ma hoa)) ca phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh hoc tap, nghien huoc mot hoc nganh hoa hoc ((mai khoi) OR (ma hoa)) ca phan van.
• Adding a wildcard symbol may retrieve word variants: so sanh hoc tap, nghien huoc mot hoc nganh hoa hoc ((mai khoi) or (ma hoa)) ca phan van*.