Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
thanh va » thanh van, hanh va, thanh ha
tu sach » thu sach, tu cach, vu sach
su sach » so sach, vu sach
te sach » toc sach
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
va cua » va chua, via cua, ca cua
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) OR (su sach))) or (te sach)) ky nang x hoi. hieu ve pham duc va thanh va cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (su sach))) OR (te sach)) ky nang x hoi. hieu ve pham duc va thanh va cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((tu sach) OR (su sach))) or (te sach)) ky nang x hoi. hieu ve pham duc va thanh va cua te".
• Adding a wildcard symbol may retrieve word variants: ((((tu sach) OR (su sach))) or (te sach)) ky nang x hoi. hieu ve pham duc va thanh va cua te*.