Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
van thanh » ban thanh, van tuan
cua viet » ca viet, hoa viet, cua vat
xach tay » canh tay
cham duc » pham duc, cham soc, pham duy
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
duc van » duc va, duc tan, duc manh
tai cua » thai cua, tai cuc, tri cua
x hoi » o hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((xach tay) or (sach y)) nang ((x hoi) OR (xa hoi)). hieu ve cham duc van thanh tai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((xach tay) OR (sach y)) nang ((x hoi) OR (xa hoi)). hieu ve cham duc van thanh tai cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((xach tay) or (sach y)) nang ((x hoi) OR (xa hoi)). hieu ve cham duc van thanh tai cua viet".
• Adding a wildcard symbol may retrieve word variants: tu ((xach tay) or (sach y)) nang ((x hoi) OR (xa hoi)). hieu ve cham duc van thanh tai cua viet*.