Perhaps you should try some spelling variations:
xach tay » canh tay
sach thu » sach thue, sach tham, cach thuc
hanh via » hanh vi, hanh va, anh va
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cac tuc » cac toc, cac tu, cac tac
va hanh » van hanh, va thanh, va danh
via cuu » via cua, vinh cuu
cuu tre » cua tre, cau tren, cau treo
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((xach tay) or (((sach thu) or (sach thieu)))) lang xa hoi. hieu va cac tuc va hanh via cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((xach tay) OR (((sach thu) OR (sach thieu)))) lang xa hoi. hieu va cac tuc va hanh via cuu tre.
• Adding a wildcard symbol may retrieve word variants: toc ((xach tay) or (((sach thu) or (sach thieu)))) lang xa hoi. hieu va cac tuc va hanh via cuu tre*.