Perhaps you should try some spelling variations:
phan thong » phan thuong, phan hong, phan tong
danh nhan » doanh nhan, thanh nhan, benh nhan
thong hoc » thuong hoc, tuong hoc, thong hoa
nhan dan » phan dau, gian dan, nhan tai
hoc phan » hoc dan, hoc pho
hoi danh » hop danh, hoi dan, hoc danh
cong hoc » dong hoc, cong hoa, cong coc
cuu cong » cua cong, thu cong, cac cong
dai tai » dai hai, dai thao
hoc mai » hoc ma, hoc dai, hoc bai
mai hoi » mai khoi, dai hoi, lai hoi
doi dap » hoi dap, doi dau, do dap
su sach » so sach, vu sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((doi dap) or (dai tai)), nghien cuu cong hoc phan thong hoc mai hoi danh nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((doi dap) OR (dai tai)), nghien cuu cong hoc phan thong hoc mai hoi danh nhan dan*.