Perhaps you should try some spelling variations:
hoc thanh » hoc nhanh, hoan thanh, hoc phan
thanh hoa » thanh pho
sach moi » sach doi, sach hoi, sach bai
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao
hoc xa » hoc ma

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