Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
sach moi » sach doi, sach hoi, bach mai
cuu tong » cuu tinh, huu tung, cuu nang
cuu cong » cua cong, thu cong, cac cong
gian dan » gian lang
su sach » so sach, vu sach
moi dap » hoi dap, doi dap, moi dan
hoc mai » hoc ma, hoc dai, hoc bai
mai hoi » mai khoi, dai hoi, lai hoi
va gian » va gianh, van gian, va giai

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 tong) or (cuu cong)) hoc nganh hoa hoc mai hoi va gian dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach moi dap, nghien ((cuu tong) OR (cuu cong)) hoc nganh hoa hoc mai hoi va gian dan.
• Adding a wildcard symbol may retrieve word variants: su sach moi dap, nghien ((cuu tong) or (cuu cong)) hoc nganh hoa hoc mai hoi va gian dan*.