Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
cuoc doanh » cho doanh, cuon danh, cac doanh
doanh khoa » toan khoa
cong cuoc » song cuoc, trong cuoc, luong cuoc
thu cach » thuc cach, tu cach, tho cach
thu canh » thuc hanh, thu ban, thu hang
khoa hoc » hoa hoc
phan van » pham van, thanh van, luan van
ca phan » cac phan, cao phan, cap phan
hoc xa » hoc ma
hoi ca » hoi cua, hoi cac, hoi cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu cach) or (thu canh)) thuc vat, nghien thu cong cuoc doanh khoa hoc xa hoi ca phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu cach) OR (thu canh)) thuc vat, nghien thu cong cuoc doanh khoa hoc xa hoi ca phan van.
• Adding a wildcard symbol may retrieve word variants: ((thu cach) or (thu canh)) thuc vat, nghien thu cong cuoc doanh khoa hoc xa hoi ca phan van*.