Perhaps you should try some spelling variations:
thuoc sinh » hoc sinh, thu sinh, thuoc sach
ban thuoc » dang thuoc, cay thuoc, nam thuoc
sinh khoa » sinh hoc, sinh hoat, anh khoa
hoi trong » choi trong, doi trong, nuoi trong
thuc hang » thuc hanh, thu hang, phuc hang
hang khoa » dung khoa
sanh ban » sang ban, sanh dan, sinh ban
khoa hoi » khoan hoi, khoa hoc, khoa doi
so sanh » do sanh
sanh va » hanh va, anh va, sinh va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( so sanh ban thuoc sinh khoa hoi trong ) or ( so sanh va thuc hang khoa hoi trong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so sanh ban thuoc sinh khoa hoi trong ) OR ( so sanh va thuc hang khoa hoi trong )).
• Adding a wildcard symbol may retrieve word variants: (( so sanh ban thuoc sinh khoa hoi trong ) or ( so sanh va thuc hang khoa hoi trong ))*.