Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
hieu va » lieu va, hieu qua
ky sang » ky nang, ky dang, ky tang
suc bat » luc bat, duoc bat
mai hoi » mai khoi, dai hoi, lai hoi
luc ban » duc ban, cuc ban, luc bat
va cham » va chat, va tham
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ma hoi » xa hoi, ma hoa, me hoi
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky sang ((ma hoi) OR (mai hoi)). hieu va cham ((luc ban) or (suc bat)) thanh vi cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky sang ((ma hoi) OR (mai hoi)). hieu va cham ((luc ban) OR (suc bat)) thanh vi cua vat.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky sang ((ma hoi) OR (mai hoi)). hieu va cham ((luc ban) or (suc bat)) thanh vi cua vat".
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang ((ma hoi) OR (mai hoi)). hieu va cham ((luc ban) or (suc bat)) thanh vi cua vat*.