Perhaps you should try some spelling variations:
thanh le » thinh le, thanh ve, thanh de
toc sach » hoc sach, doc sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
cham tuc » nham thuc, pham thuc, tham thuc
ve cham » va cham, ve chat, vu cham
xang ha » tang ha, dang ha, hang ha
lang ha » long ha
hieu ve » hieu va, hieu van
tuc va » thuc va, truc va, tuc xa
le hoa » le hoai, len hoa, le hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) OR (toc sach)) ty ((xang ha) or (lang ha)) hoi. hieu ve cham tuc va thanh le hoa viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ty ((xang ha) OR (lang ha)) hoi. hieu ve cham tuc va thanh le hoa viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ty ((xang ha) or (lang ha)) hoi. hieu ve cham tuc va thanh le hoa viet".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) ty ((xang ha) or (lang ha)) hoi. hieu ve cham tuc va thanh le hoa viet*.