Perhaps you should try some spelling variations:
khoi nganh » hoc nganh, moi nganh
sach thoi » cach thoi, sach hoi, sach tham
hoa nganh » hoc nganh, hoa doanh, hoa thanh
thoi tap » toi tap, hoc tap, thoi dai
cuu cong » cua cong, thu cong, cac cong
khoa hoc » hoa hoc
te sach » toc sach
va nhan » van nhan, ca nhan, va phan
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: te sach thoi tap, nghien cuu cong ((hoa nganh) OR (khoi nganh)) khoa hoc xa hoi va nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thoi tap, nghien cuu cong ((hoa nganh) OR (khoi nganh)) khoa hoc xa hoi va nhan va".
• Adding a wildcard symbol may retrieve word variants: te sach thoi tap, nghien cuu cong ((hoa nganh) OR (khoi nganh)) khoa hoc xa hoi va nhan va*.