Perhaps you should try some spelling variations:
sang tao » hang tai
tham tuc » tham thuc, thai tuc, nham thuc
te sach » toc sach
lai cua » dai cua, hai cua, lai chau
vai cua » dai cua, hai cua, bai cua
va tham » van tham, va cham, va thanh
tang ma » mang may, tang van
tuc va » thuc va, truc va, tuc xa
va dan » ca dan, va dao, 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: te sach y ((tang ma) or (sang tao)) hoi. lieu va tham tuc va dan ((vai cua) OR (lai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((tang ma) OR (sang tao)) hoi. lieu va tham tuc va dan ((vai cua) OR (lai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((tang ma) or (sang tao)) hoi. lieu va tham tuc va dan ((vai cua) OR (lai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: te sach y ((tang ma) or (sang tao)) hoi. lieu va tham tuc va dan ((vai cua) OR (lai cua)) tre*.