Perhaps you should try some spelling variations:
nhanh khoa » nhan khoa, nganh khoa, hang khoa
hoc nhanh » hoc nganh, hoc phan
hoc sach » hoc sinh, hoc cac, hoc anh
khoa hoc » hoa hoc
nhan tai » hang tai, van tai, toan tai
doi tap » doi dap, doi tai, doi tan
doi tac » dong tac
va nhan » van nhan, ca nhan, va phan
mo hoc » mon hoc, co hoc
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: hoc sach ((doi tap) or (doi tac)), nghien cuu mo hoc nhanh khoa hoc ma hoi va nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ((doi tap) OR (doi tac)), nghien cuu mo hoc nhanh khoa hoc ma hoi va nhan tai.
• Adding a wildcard symbol may retrieve word variants: hoc sach ((doi tap) or (doi tac)), nghien cuu mo hoc nhanh khoa hoc ma hoi va nhan tai*.