Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
lang van » dang van, tang van, hoang van
su sach » so sach, vu sach
van hai » van ha, van chat, van hanh
lai cua » dai cua, hai cua, lai chau
va hanh » van hanh, va thanh, va danh
van cac » van hac, van cau, van bac
lang xa » lang ha, dang xay
luc va » duc va, tuc va, loc va
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach _ ((lang xa) or (lang van)) hoi. thien ((van cac) or (van hai)) luc va hanh lai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach _ ((lang xa) OR (lang van)) hoi. thien ((van cac) OR (van hai)) luc va hanh lai cua tu.
• Adding a wildcard symbol may retrieve word variants: su sach _ ((lang xa) or (lang van)) hoi. thien ((van cac) or (van hai)) luc va hanh lai cua tu*.