Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
so sach » so sanh, bo sach, co sach
lang xa » lang ha, dang xay, lang van
y lang » o lang, _ lang, tay lang
ve cac » va cac, vien cac
va cai » va cac, va bai, va dai
luc va » duc va, tuc va, loc va
di cua » dai cua, doi cua, de cua
ve tai » te tai, de tai, le tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y lang xa hoi. hieu ((((va cai) or (ve tai))) or (ve cac)) luc va hanh di cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y lang xa hoi. hieu ((((va cai) OR (ve tai))) OR (ve cac)) luc va hanh di cua viet.
• Adding a wildcard symbol may retrieve word variants: so sach y lang xa hoi. hieu ((((va cai) or (ve tai))) or (ve cac)) luc va hanh di cua viet*.