Perhaps you should try some spelling variations:
cach thoi » cac thoi, cach thuc, cach noi
danh khoa » doanh khoa, anh khoa, danh hoa
phan van » pham van, thanh van, luan van
cac phan » cac nhan, cao phan, cap phan
khoa hoc » hoa hoc
hoc danh » hoc dan, hoc anh, hoc hanh
cuu cong » cua cong, thu cong, cac cong
thoi tap » toi tap, hoc tap, thoi dai
cuu mot » cua mot, cuu mo, huu mot
voi cac » loi cach
tu cach » tu cac
hoc ba » hoc bai, hoc bao, hoc ban
ba voi » ba vi

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 mot) or (cuu cong)) hoc danh khoa hoc ba voi cac phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tap, nghien ((cuu mot) OR (cuu cong)) hoc danh khoa hoc ba voi cac phan van.
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien ((cuu mot) or (cuu cong)) hoc danh khoa hoc ba voi cac phan van*.