Perhaps you should try some spelling variations:
canh khoa » anh khoa, xanh khoa, doanh khoa
mach hoc » cach hoc, dich hoc, anh hoc
cuu long » cuu cong, cuu tong, cuu nang
long cuc » long cua, tong cuc, luong cuoc
cuc canh » luc canh, suc canh, cuoc cach
khoa hoc » hoa hoc
ha doanh » hoa doanh, nha doanh, nhap doanh
va doanh » van doanh, vay doanh, va danh
nhan tao » nhan tai, nhan dan
te mach » ke mach, te sach, tim mach

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te mach hoc tap, nghien cuu long cuc canh khoa hoc ma ((ha doanh) OR (va doanh)) nhan tao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te mach hoc tap, nghien cuu long cuc canh khoa hoc ma ((ha doanh) OR (va doanh)) nhan tao".
• Adding a wildcard symbol may retrieve word variants: te mach hoc tap, nghien cuu long cuc canh khoa hoc ma ((ha doanh) OR (va doanh)) nhan tao*.