Perhaps you should try some spelling variations:
cau nganh » cac nganh, chuc nganh, cua nganh
danh nhan » doanh nhan, thanh nhan, benh nhan
sach hoc » cach hoc, sach hoi, mach hoc
cuu cong » cua cong, thu cong, cac cong
cau danh » cao danh, chuc danh, nam danh
khoa hoc » hoa hoc
hoi danh » hop danh, hoi dan, hoc danh
su sach » so sach, vu sach
nhan va » nhan tai, nhan dan, nhan tao
ma hoi » mai hoi, 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: su sach hoc tap, nghien cuu cong ((cau nganh) or (cau danh)) khoa hoc ma hoi danh nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach hoc tap, nghien cuu cong ((cau nganh) OR (cau danh)) khoa hoc ma hoi danh nhan va.
• Adding a wildcard symbol may retrieve word variants: su sach hoc tap, nghien cuu cong ((cau nganh) or (cau danh)) khoa hoc ma hoi danh nhan va*.