Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nguyen huu » nguyen duc
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
van thanh » ban thanh, van tuan
thanh tai » thanh hai, thanh toan, doanh tai
mach hoc » cach hoc, dich hoc, bac hoc
anh hoc » sinh hoc, benh hoc, hinh hoc
huu mot » cuu mot, huy mot, hieu mot
mot hoc » mon hoc, mo hoc, mot goc
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: su ((mach hoc) or (anh hoc)) tap, nguyen huu mot hoc nganh khong hoc ma hai van thanh tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((mach hoc) OR (anh hoc)) tap, nguyen huu mot hoc nganh khong hoc ma hai van thanh tai.
• Adding a wildcard symbol may retrieve word variants: su ((mach hoc) or (anh hoc)) tap, nguyen huu mot hoc nganh khong hoc ma hai van thanh tai*.