Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
khoa nganh » khoi nganh, hoc nganh
thuc cach » thuoc sach, truoc cach, thuc hanh
khong hoc » khung hoc, thong hoc, khong thuoc
thu cach » thu canh, tu cach, tho cach
duc toan » duc tan, duc ton, duc hoan
nhan va » nhan tai, nhan dan, nhan tao
hoc xa » hoc ma
xa hoc » xa hoi, va hoc, xa hoa
hoc ca » hoc cao, hoc cua, hoc cac

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) OR (thuc cach)) hoc tap, nguyen duc toan khoa nganh khong hoc xa hoc ca nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu cach) OR (thuc cach)) hoc tap, nguyen duc toan khoa nganh khong hoc xa hoc ca nhan va".
• Adding a wildcard symbol may retrieve word variants: ((thu cach) OR (thuc cach)) hoc tap, nguyen duc toan khoa nganh khong hoc xa hoc ca nhan va*.