Perhaps you should try some spelling variations:
tranh hoa » thanh hoa, trinh hoa, tranh ha
luan phan » luan van, luan hoan
cach hoc » cach thuc, cach thoi, dich hoc
cuu dong » cuu tong, cuu long, luu dong
cuu cong » cua cong, thu cong, cac cong
co tranh » co thanh, co trach, co trinh
hoa luan » khoa luan, hoa quan, hoa dan
phan dan » phan dang, phan dau, nhan dan
tu cach » tu cac
hoc xa » hoc ma
xa hoa » xa khoa, xa hoi, ma hoa

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 hoc tap, nghien ((cuu dong) or (cuu cong)) co tranh hoa hoc xa hoa luan phan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien ((cuu dong) OR (cuu cong)) co tranh hoa hoc xa hoa luan phan dan.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien ((cuu dong) or (cuu cong)) co tranh hoa hoc xa hoa luan phan dan*.