Perhaps you should try some spelling variations:
dainh khoa » dinh khoa, doanh khoa, anh khoa
cach thoi » cac thoi, cach thuc, cach noi
hoc dainh » hoc danh, hoc dinh, hoc dan
thoi tap » toi tap, hoc tap, thoi dai
cac cong » cua cong
khoa hoc » hoa hoc
cac phan » cac nhan, cao phan, cap phan
phan van » pham van, thanh van, luan van
tu cach » tu cac
cuu mon » cuu mo, cuu mot, cuu cong
hoc dai » hoc dan
dai voi » doi voi, dai hoi, dai moi
voi cac » loi cach

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