Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
va thanh » gia thanh, ban thanh, va tinh
vai cua » dai cua, hai cua, lai cua
sach lo » sach dao, sach doi, sach hoi
sach ly » sach y, sach ty, sach hay
va cam » va cham, va cac, va cao
cua te » cua tu
va co » vo co
x hoi » xa hoi, o hoi, x ho

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 ly) OR (sach lo)) nang x hoi. hieu ((va cam) or (va co)) duc va thanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ly) OR (sach lo)) nang x hoi. hieu ((va cam) OR (va co)) duc va thanh vai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach ly) OR (sach lo)) nang x hoi. hieu ((va cam) or (va co)) duc va thanh vai cua te*".