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
cach hoc » cach thuc, dich hoc, cac hop
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
dac nhan » cac nhan, danh nhan, ca nhan
nhan dan » phan dau, gian dan, nhan tai
hoi dac » hoi dap, hoi dan, hoi dat
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu ((cach hoc) OR (cach thoi)) tap, nghien cuu dong hoc nhanh hoa hoc xa hoi dac nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ((cach hoc) OR (cach thoi)) tap, nghien cuu dong hoc nhanh hoa hoc xa hoi dac nhan dan".
• Adding a wildcard symbol may retrieve word variants: vu ((cach hoc) OR (cach thoi)) tap, nghien cuu dong hoc nhanh hoa hoc xa hoi dac nhan dan*.