Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
nhanh khoa » nhan khoa, nganh khoa, hang khoa
sach hoc » cach hoc, sach hoi, mach hoc
cuu dong » cuu cong, cuu tong, cuu long
co nhanh » co thanh, co hanh, co phanh
khoa hoc » hoa hoc
nhan dan » phan dau, gian dan
nhan tai » hang tai, van tai, toan tai
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: thuat sach hoc tap, nghien cuu dong co nhanh khoa hoc xa hoi va ((nhan dan) OR (nhan tai))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach hoc tap, nghien cuu dong co nhanh khoa hoc xa hoi va ((nhan dan) OR (nhan tai))".
• Adding a wildcard symbol may retrieve word variants: thuat sach hoc tap, nghien cuu dong co nhanh khoa hoc xa hoi va ((nhan dan) OR (nhan tai))*.