Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cao suc » cao su, cao duc
suc ban » suc ben, duc ban, cuc ban
ban anh » ban hanh, ban banh, ban danh
cuu tre » cua tre, cau tren, cau treo
va cao » va cac, va co, va dao
anh va » hanh va
va cuu » va cau, va chu, va huu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y ((lang xa) or (nang cao)) hoi. hieu va cao suc ban anh va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((lang xa) OR (nang cao)) hoi. hieu va cao suc ban anh va cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y ((lang xa) or (nang cao)) hoi. hieu va cao suc ban anh va cuu tre*.