Perhaps you should try some spelling variations:
hoc bang » hoc bong, hoc tang, hoc dan
dang xa » dang xay, lang xa, dang va
hanh di » hanh vi, hanh de, hang di
dang ha » dong ha, dung ha, lang ha
coc ban » co ban, cac ban, hoc ban
co sac » co sach, co cac, cao sach
di cua » dai cua, doi cua, de cua
va lam » van lam, va lap
sac ky » cac ky, sai ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: co sac ky ((dang xa) or (dang ha)) hoi. lieu va lam ((hoc bang) or (coc ban)) hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sac ky ((dang xa) OR (dang ha)) hoi. lieu va lam ((hoc bang) OR (coc ban)) hanh di cua te.
• Adding a wildcard symbol may retrieve word variants: co sac ky ((dang xa) or (dang ha)) hoi. lieu va lam ((hoc bang) or (coc ban)) hanh di cua te*.