Perhaps you should try some spelling variations:
cach thoi » cac thoi, cach thuc, cach noi
hoc nhanh » hoc phan
khong hoc » khung hoc, thong hoc, khong thuoc
thoi tap » toi tap, hoc tap, thoi dai
cuu cong » cua cong, thu cong, cac cong
van nhan » van phan, van thanh, danh nhan
nhan dan » phan dau, gian dan, nhan tai
tu cach » tu cac
hai van » thai van, ha van, hai tan
ma hai » ta hai, va hai, xa hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach thoi tap, nghien cuu cong ((hoc nganh) or (hoc nhanh)) khong hoc ma hai van nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tap, nghien cuu cong ((hoc nganh) OR (hoc nhanh)) khong hoc ma hai van nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien cuu cong ((hoc nganh) or (hoc nhanh)) khong hoc ma hai van nhan dan*.