Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
toc sach » hoc sach, thuoc sach, nuoc sach
tham tuc » tham thuc, thai tuc, nham thuc
va thanh » gia thanh, ban thanh, va tinh
doc sach » hoc sach, nuoc sach, dac sac
ty nang » ky nang, ty xang, ty hang
cao hoi » co hoi, cao hoc, tao hoi
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thuat
lai cuu » lai cua, lai chau, lai cuoc
cuu tre » cua tre, cau tren, cau treo
tuc va » thuc va, truc va, tuc xa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sach) or (doc sach)) ty nang ((cao hoi) OR (cau hoi)). hieu va tham tuc va thanh lai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (doc sach)) ty nang ((cao hoi) OR (cau hoi)). hieu va tham tuc va thanh lai cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) or (doc sach)) ty nang ((cao hoi) OR (cau hoi)). hieu va tham tuc va thanh lai cuu tre*".