Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
dang xay » dang van, van xay
hanh doi » thanh doi, hanh noi, hang doi
van hanh » van thanh, ban hanh, van anh
cham duc » pham duc, cham soc, pham duy
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
hieu va » lieu va, hieu qua
va cham » va chat, va tham
duc van » duc va, duc tan, duc manh
doi cua » dai cua, hoi cua
tu ban » thu ban, te ban
tu san » thu san, tu can, vu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu san) OR (tu ban)) ky dang xay hoi. hieu va cham duc van hanh doi cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu san) OR (tu ban)) ky dang xay hoi. hieu va cham duc van hanh doi cua viet".
• Adding a wildcard symbol may retrieve word variants: ((tu san) OR (tu ban)) ky dang xay hoi. hieu va cham duc van hanh doi cua viet*.