Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
khung hoc » nhung hoc, thuong hoc, trung hoc
chung hoc » trung hoc, dung hoc, hung hoa
cach hoc » cach thuc, cach thoi, dich hoc
cuu tuan » huu tuan, chu tuan, cuu toan
tuan hoc » toan hoc, luan hoc, than hoc
bai khoi » bai choi, mai khoi, tai khoi
tu cach » tu cac
khoi va » hoi va, khi va, choi va
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach hoc tap, nghien cuu tuan hoc nganh ((khung hoc) OR (chung hoc)) bai khoi va nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach hoc tap, nghien cuu tuan hoc nganh ((khung hoc) OR (chung hoc)) bai khoi va nhan va".
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu tuan hoc nganh ((khung hoc) OR (chung hoc)) bai khoi va nhan va*.