Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
luc nganh » luc ngan, chuc nganh, luat nganh
toc sach » hoc sach, doc sach, thuoc sach
cuu tong » cuu cong, cuu tinh, huu tung
tong luc » dong luc, tong cuc, truong luc
khoa hoc » hoa hoc
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) OR (toc sach)) hoc tap, nghien cuu tong luc nganh khoa hoc xa hoi va nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) hoc tap, nghien cuu tong luc nganh khoa hoc xa hoi va nhan va".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) hoc tap, nghien cuu tong luc nganh khoa hoc xa hoi va nhan va*.