Perhaps you should try some spelling variations:
hoc nhanh » hoc nganh, hoc phan
nhanh hoa » nhanh hoan, thanh hoa, khanh hoa
dong luan » dung luan, tong luan, dong xuan
hop dong » hoat dong, ha dong, huy dong
su sach » vu sach
so sach » so sanh, bo sach, co sach
mo hoc » mon hoc, co hoc
ma hop » mau hop, ma hoa, va hop

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (so sach)) hoc tap, nghien cuu mo hoc nhanh hoa hoc ma hop dong luan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) hoc tap, nghien cuu mo hoc nhanh hoa hoc ma hop dong luan van.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) hoc tap, nghien cuu mo hoc nhanh hoa hoc ma hop dong luan van*.