Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
nhanh khoa » nhan khoa, nganh khoa, hang khoa
van thanh » ban thanh, van tuan
thu canh » thuc hanh, thu cong, thu ban
canh toi » canh thin, hanh thoi, hanh tot
cong hoc » cong hoa, cong coc, cong ho
dong hoc » dong co, dong luc
khoa hoc » hoa hoc
thanh ha » thanh hoa, thanh hai, nhanh ha
toi tap » toi gap, toan tap, tong tap
hoi van » hoi va, hoi dan, hai van
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: thu canh toi tap, nghien cua ((cong hoc) or (dong hoc)) nhanh khoa hoc xa hoi van thanh ha~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu canh toi tap, nghien cua ((cong hoc) OR (dong hoc)) nhanh khoa hoc xa hoi van thanh ha.
• Adding a wildcard symbol may retrieve word variants: thu canh toi tap, nghien cua ((cong hoc) or (dong hoc)) nhanh khoa hoc xa hoi van thanh ha*.