Perhaps you should try some spelling variations:
thanh co » thanh do, thanh ca, thanh ho
va thanh » gia thanh, ban thanh, va tinh
sach ky » sac ky, sach ty, sach kem
va cam » va cham, va cac, va cao
co cua » con cua, ca cua, cong cua
ve tai » te tai, de tai, le tai
cua te » cua tu
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: tu ((sach ky) OR (sach y)) nang x hoi. hieu ((ve tai) or (va cam)) duc va thanh co cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) nang x hoi. hieu ((ve tai) OR (va cam)) duc va thanh co cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sach y)) nang x hoi. hieu ((ve tai) or (va cam)) duc va thanh co cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) OR (sach y)) nang x hoi. hieu ((ve tai) or (va cam)) duc va thanh co cua te*.