Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
thu mach » thu sach, thuat mach, thu hoach
mach hoc » cach hoc, dich hoc, anh hoc
cuu cong » cua cong, thu cong, cac cong
hoc phan » hoc dan, hoc pho
phan van » pham van, thanh van, luan van
ca phan » cac phan, cao phan, cap phan
hoa ca » hoa cua, hoa cac, hoa cau

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

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