Perhaps you should try some spelling variations:
khong thuoc » khang thuoc, hong phuoc, dong thuoc
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong chuc
thu cach » thuc cach, thu canh, tu cach
cach hoc » cach thuc, cach thoi, dich hoc
mai khoi » mai khoa, tai khoa, cac khoi
nhan van » nhan dan, nhan va, phan van
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
khoi va » hoi va, khi va, choi va
va nhan » van nhan, ca nhan, va phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu cach hoc tap, nghien cuu mon hoc nganh ((khong hoc) or (khong thuoc)) mai khoi va nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu cach hoc tap, nghien cuu mon hoc nganh ((khong hoc) OR (khong thuoc)) mai khoi va nhan van.
• Adding a wildcard symbol may retrieve word variants: thu cach hoc tap, nghien cuu mon hoc nganh ((khong hoc) or (khong thuoc)) mai khoi va nhan van*.