Perhaps you should try some spelling variations:
nganh chung » nhanh chuong, nganh cong, nhanh chong
hoc nganh » hoc nhanh
chung hoc » trung hoc, dung hoc, hung hoa
sach hoc » cach hoc, sach hoi, sach duoc
mach hoc » cach hoc, dich hoc, anh hoc
khoa dan » khoa dang, hoa dan, khoa can
dan nhan » danh nhan, dan chan, van nhan
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
xa khoa » da khoa, bia khoa, tai khoa
nhan va » nhan tai, nhan dan, nhan tao
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach hoc) or (mach hoc)) tap, nghien cuu mot hoc nganh chung hoc xa khoa dan nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach hoc) OR (mach hoc)) tap, nghien cuu mot hoc nganh chung hoc xa khoa dan nhan va.
• Adding a wildcard symbol may retrieve word variants: thu ((sach hoc) or (mach hoc)) tap, nghien cuu mot hoc nganh chung hoc xa khoa dan nhan va*.