Perhaps you should try some spelling variations:
canh khoa » anh khoa, doanh khoa, chinh khoa
xanh khoa » anh khoa, doanh khoa, nganh khoa
hoa doanh » toan doanh, hoa dan
sach hoc » cach hoc, sach hoi, mach hoc
cuu tong » cuu cong, cuu tinh, huu tung
tong luc » dong luc, tong cuc, truong luc
nhan van » nhan dan, nhan va, phan van
te sach » toc sach

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 tong luc ((canh khoa) or (xanh khoa)) hoc ma hoa doanh nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach hoc tap, nghien cuu tong luc ((canh khoa) OR (xanh khoa)) hoc ma hoa doanh nhan van.
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien cuu tong luc ((canh khoa) or (xanh khoa)) hoc ma hoa doanh nhan van*.