Perhaps you should try some spelling variations:
ban hanh » ban hang
dang xa » dang xay, lang xa, dang va
dang ha » dong ha, dung ha, lang ha
lam loc » lam duoc, lam ngoc
loc ban » lo ban, hoc ban, coc ban
hanh di » hanh vi, hanh de, hang di
co sac » co sach, co cac, cao sach
sac ky » cac ky, sai ky
va lam » van lam, va lap
di cua » dai cua, doi cua, de cua
cua su » qua su

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 loc ban hanh di cua su~.
• 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 loc ban hanh di cua su.
• Adding a wildcard symbol may retrieve word variants: co sac ky ((dang xa) or (dang ha)) hoi. lieu va lam loc ban hanh di cua su*.