Perhaps you should try some spelling variations:
nganh khong » nhanh chong, nganh nong, nganh khoa
nganh cong » nhanh chong, thanh cong
sach moi » sach doi, sach hoi, bach mai
cuu dong » cuu cong, cuu tong, cuu long
nhan dan » phan dau, gian dan, nhan tai
su sach » so sach, vu sach
moi dap » hoi dap, doi dap, moi dan
va nhan » van nhan, ca nhan, va phan
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 moi dap, nghien cuu dong co ((nganh khong) or (nganh cong)) hoc ma hoi va nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach moi dap, nghien cuu dong co ((nganh khong) OR (nganh cong)) hoc ma hoi va nhan dan.
• Adding a wildcard symbol may retrieve word variants: su sach moi dap, nghien cuu dong co ((nganh khong) or (nganh cong)) hoc ma hoi va nhan dan*.