Perhaps you should try some spelling variations:
canh thuc » anh thuc, cach thuc, danh thuc
danh khoa » doanh khoa, anh khoa, danh hoa
thu canh » thuc hanh, thu cong, thu ban
cuu cong » cua cong, thu cong, cac cong
cong coc » cong cuoc, cong cac, cong co
coc danh » hoc danh, cuon danh, chuc danh
khoa hoc » hoa hoc
phan van » pham van, thanh van, tran van
ma hoi » mai hoi, xa hoi, ma hoa
hoi ca » hoi cua, hoi cac, hoi cau
luan » quan, lan

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "thu canh thuc vat, nghien cuu cong coc danh khoa hoc ma hoi ca ((phan van) OR (luan van))~".
• Adding a wildcard symbol may retrieve word variants: thu canh thuc vat, nghien cuu cong coc danh khoa hoc ma hoi ca ((phan van) OR (luan van))*.