Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
nhanh vi » nhanh va, nhanh thi, hanh va
cau tren » cu tren, dau tren, ca tren
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cau xuc » cam xuc, cau luc, cau truc
xang xa » mang xa, ang xa, dang xay
xuc va » duc va, tuc va, luc va
va cau » van cau, va cac, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y ((xang xa) or (lang xa)) hoi. hieu va cau xuc va ((nhanh vi) or (hanh vi)) cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y ((xang xa) OR (lang xa)) hoi. hieu va cau xuc va ((nhanh vi) OR (hanh vi)) cau tren.
• Adding a wildcard symbol may retrieve word variants: thu sach y ((xang xa) or (lang xa)) hoi. hieu va cau xuc va ((nhanh vi) or (hanh vi)) cau tren*.