Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
hanh vai » hanh vi, hanh va, hanh tai
so sach » so sanh, bo sach, co sach
nang xa » nang x, lang xa, nang ma
vai cua » dai cua, hai cua, lai cua
ve chim » va chim, ve cham, ve chinh
sach ty » sach y, sach tu, sach thu
va cham » va chat, va tham
xuc van » duc van, luc van, vuc van
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: so sach ty ((nang xa) or (van xay)) hoi. hieu ((ve chim) or (va cham)) xuc van hanh vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty ((nang xa) OR (van xay)) hoi. hieu ((ve chim) OR (va cham)) xuc van hanh vai cua tu.
• Adding a wildcard symbol may retrieve word variants: so sach ty ((nang xa) or (van xay)) hoi. hieu ((ve chim) or (va cham)) xuc van hanh vai cua tu*.