Perhaps you should try some spelling variations:
hanh vinh » thanh vinh, khanh vinh, hanh tinh
lang van » dang van, tang van, hoang van
vinh cuu » dinh cuu, sinh cua, dinh cu
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, dang xay
qua cac » cua cac
cac tuc » cac toc, cac tu, cac tac
va hanh » van hanh, va thanh, ban hanh
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: so sach ty ((lang xa) OR (lang van)) hoi. hieu qua cac tuc va hanh vinh cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ty ((lang xa) OR (lang van)) hoi. hieu qua cac tuc va hanh vinh cuu tre".
• Adding a wildcard symbol may retrieve word variants: so sach ty ((lang xa) OR (lang van)) hoi. hieu qua cac tuc va hanh vinh cuu tre*.