Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
khanh hoa » thanh hoa, hang hoa
danh phan » doanh phan, danh nhan, danh phap
cac thoi » cac toi, cac hop, cac tro
thoi tap » toi tap, hoc tap, thoi dai
cong hoa » dong hoa, dong hoc, hang hoa
danh hoa » thanh hoa, nganh hoa, danh cho
hoi danh » hop danh, hoi dan, hoc danh
phan van » pham van, thanh van, luan van
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: tu cac thoi tap, nghien thu cong hoa ((danh hoa) or (khanh hoa)) hoc xa hoi danh phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac thoi tap, nghien thu cong hoa ((danh hoa) OR (khanh hoa)) hoc xa hoi danh phan van.
• Adding a wildcard symbol may retrieve word variants: tu cac thoi tap, nghien thu cong hoa ((danh hoa) or (khanh hoa)) hoc xa hoi danh phan van*.