Perhaps you should try some spelling variations:
toan ky » than ky, toan ly, toan ke
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
truc va » thuc va, thuc vat, trung va
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
va cam » va cham, va cao, va cai
di hoa » dai hoa, doi hoa, do hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat toan ky lang xa hoi. hieu ((va cam) or (va cac)) truc va hanh di hoa viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat toan ky lang xa hoi. hieu ((va cam) OR (va cac)) truc va hanh di hoa viet.
• Adding a wildcard symbol may retrieve word variants: thuat toan ky lang xa hoi. hieu ((va cam) or (va cac)) truc va hanh di hoa viet*.