Perhaps you should try some spelling variations:
thanh co » thanh do, thanh ca, thanh ho
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
ty nang » ky nang, ty xang, ty hang
sach ty » sach y, sach tu, sach thu
va cam » va cham, va cac, va cao
co cua » con cua, ca cua, cong cua
cua te » cua tu
le tai » le thi, ly tai, te tai
ve tai » te tai, de tai, ve tac
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 ty nang x hoi. hieu ((((ve tai) or (le 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 ty nang x hoi. hieu ((((ve tai) OR (le tai))) OR (va cam)) duc va thanh co cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang x hoi. hieu ((((ve tai) or (le tai))) or (va cam)) duc va thanh co cua te*.