Perhaps you should try some spelling variations:
ban hanh » ban hang
van lam » van nam
dang xa » dang xay, lang xa, dang va
hanh di » hanh vi, hanh de, hang di
dang ha » dong ha, dung ha, lang ha
loc ban » lo ban, hoc ban, coc ban
co sac » co sach, co cac, cao sach
di cua » dai cua, doi cua, de cua
va lam » va lap
sac ky » cac ky, sai ky
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) OR (van 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) OR (van lam)) loc ban hanh di cua su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "co sac ky ((dang xa) or (dang ha)) hoi. lieu ((va lam) OR (van 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) OR (van lam)) loc ban hanh di cua su*.