Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh lap » thanh san, phan lap, thanh hai
cham duc » pham duc, cham soc, pham duy
cua viet » ca viet, hoa viet, cua vat
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
va cham » va chat, va tham
duc van » duc va, duc tan, duc manh
lap cua » lai cua, tap cua, lam cua
x hoi » xa hoi, 5 hoi
o hoi » co hoi, o hoc, o hai

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) OR (x ho))) OR (o hoi)). lieu va cham duc van thanh lap cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang ((((x hoi) OR (x ho))) OR (o hoi)). lieu va cham duc van thanh lap cua viet".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang ((((x hoi) OR (x ho))) OR (o hoi)). lieu va cham duc van thanh lap cua viet*.