Perhaps you should try some spelling variations:
nhanh thong » nhanh chong, nhanh thang, nhan thong
nghien cua » nghien cuu, nghiep cua, nghiep vua
hoc nhanh » hoc nganh, hoc phan
thong hoa » thong khoa, thong ha, thong hoc
sach doi » sach hoi, sach moi, sach dao
nhan tai » van tai, toan tai
hang tai » hang va, dung tai
so sach » so sanh, bo sach, co sach
doi tap » doi tac, doi dap, doi tai
mot hoc » mon hoc, mo hoc, mot goc
hoa ma » khoa ma, hoa may, hoa mau
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: so sach doi tap, nghien cua mot hoc nhanh thong hoa ma hoi va ((nhan tai) or (hang tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach doi tap, nghien cua mot hoc nhanh thong hoa ma hoi va ((nhan tai) OR (hang tai))*.