Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
dang xay » dang van, van xay
so sach » so sanh, bo sach, co sach
va cham » va chat, va tham
vai cua » dai cua, hai cua, lai cua
xuc van » duc van, luc van, xuc ban
ve cham » ve chat, vu cham, ve chim
sach ty » sach y, sach tu, sach thu
nang xa » nang x, lang xa, nang ma
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 (dang xay)) hoi. hieu ((ve cham) 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 (dang xay)) hoi. hieu ((ve cham) OR (va cham)) xuc van hanh vai cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ty ((nang xa) or (dang xay)) hoi. hieu ((ve cham) OR (va cham)) xuc van hanh vai cua tu".
• Adding a wildcard symbol may retrieve word variants: so sach ty ((nang xa) or (dang xay)) hoi. hieu ((ve cham) OR (va cham)) xuc van hanh vai cua tu*.