Perhaps you should try some spelling variations:
cach thoi » cac thoi, cach thuc, cach noi
hoc nhanh » hoc nganh, hoc phan
nhanh hoa » nhanh hoan, thanh hoa, khanh hoa
thu cach » thuc cach, thu canh, tu cach
thoi tap » toi tap, hoc tap, thoi dai
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
cua nhan » ca nhan, cua ngan, cua nha
nhan van » nhan dan, nhan va, phan van
hoi cua » hoi chuc

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 thoi tap, nghien cuu dong hoc nhanh hoa ((hoc xa) or (hoc ma)) hoi cua nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu cach thoi tap, nghien cuu dong hoc nhanh hoa ((hoc xa) OR (hoc ma)) hoi cua nhan van.
• Adding a wildcard symbol may retrieve word variants: thu cach thoi tap, nghien cuu dong hoc nhanh hoa ((hoc xa) or (hoc ma)) hoi cua nhan van*.