Perhaps you should try some spelling variations:
vanh dai » van dai, vanh tai, lanh dao
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cac tuc » cac tac, cac nuoc, cac cuoc
cac toc » cac toi, cac nuoc, cac thoi
va vanh » va van, va danh, va hanh
dai cuu » dai cua, dai huu
cuu tre » cua tre, cau tren, cau treo
cac tu » cac thu, cach tu, cac du
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: te sach ty nang x hoi. lieu va ((((cac tuc) OR (cac toc))) or (cac tu)) va vanh dai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang x hoi. lieu va ((((cac tuc) OR (cac toc))) OR (cac tu)) va vanh dai cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang x hoi. lieu va ((((cac tuc) OR (cac toc))) or (cac tu)) va vanh dai cuu tre*".