Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
nganh khong » nganh cong, nganh nong, nganh khoa
sach hoc » cach hoc, sach hoi, mach hoc
cuu cong » cua cong, thu cong, cac cong
cong cac » cuong cac, cong tac, cong cau
nhan van » nhan dan, nhan va, phan van
te sach » toc sach
va nhan » van nhan, ca nhan, va phan
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: te sach hoc tap, nghien cuu cong cac ((nganh khong) OR (nhanh chong)) hoc xa hoi va nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach hoc tap, nghien cuu cong cac ((nganh khong) OR (nhanh chong)) hoc xa hoi va nhan van".
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien cuu cong cac ((nganh khong) OR (nhanh chong)) hoc xa hoi va nhan van*.