Perhaps you should try some spelling variations:
khang thuoc » khong thuoc, dang thuoc, hanh thuoc
hoc nganh » hoc nhanh
thong hoc » thuong hoc, tuong hoc, thong hoa
mach hoc » cach hoc, dich hoc, anh hoc
van nhan » van phan, van thanh, danh nhan
nhan van » nhan dan, nhan va, phan van
vu mach » vi mach, vu bach, vu manh
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hai van » thai van, ha van, hai tan
xa hai » xa thai, xua hai, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu mach hoc tap, nghien cuu mon hoc nganh ((khang thuoc) or (thong hoc)) xa hai van nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu mach hoc tap, nghien cuu mon hoc nganh ((khang thuoc) OR (thong hoc)) xa hai van nhan van.
• Adding a wildcard symbol may retrieve word variants: vu mach hoc tap, nghien cuu mon hoc nganh ((khang thuoc) or (thong hoc)) xa hai van nhan van*.