Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
thanh ve » hanh ve, thanh vien, thanh van
thanh va » thanh van, hanh va, thanh ha
cham tuc » nham thuc, pham thuc, tham thuc
qua cham » qua hai, qua cac, va cham
dang xay » dang van, van xay
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh
vu sach » vu bach, vu khach
su sach » so sach
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: ((su sach) OR (vu sach)) ky dang xay hoi. hieu qua cham tuc va ((thanh va) or (thanh ve)) cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ky dang xay hoi. hieu qua cham tuc va ((thanh va) OR (thanh ve)) cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (vu sach)) ky dang xay hoi. hieu qua cham tuc va ((thanh va) or (thanh ve)) cua viet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (vu sach)) ky dang xay hoi. hieu qua cham tuc va ((thanh va) or (thanh ve)) cua viet*.