Perhaps you should try some spelling variations:
hoc nhanh » hoc phan
mach hoc » cach hoc, dich hoc, anh hoc
khoa hoc » hoa hoc
van nhan » van phan, van thanh, danh nhan
nhan van » nhan dan, nhan va, phan van
ke mach » ke hoach
cuu mon » cuu mo, cuu mot, cuu cong
hai van » thai van, ha van, hai tan
ma hai » ta hai, va hai, xa hai

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

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