Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
nhanh dong » hanh dong, anh dong, nhan dang
sach moi » sach doi, sach hoi, bach mai
thuoc xa » thuoc ma, thuoc va, thuoc la
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
cuu co » huu co, cua co, cuu mo

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 co hoc ((nhanh dong) OR (nhanh chong)) thuoc xa hoi va nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach moi dap, nghien cuu co hoc ((nhanh dong) OR (nhanh chong)) thuoc xa hoi va nhan dan".
• Adding a wildcard symbol may retrieve word variants: su sach moi dap, nghien cuu co hoc ((nhanh dong) OR (nhanh chong)) thuoc xa hoi va nhan dan*.