Perhaps you should try some spelling variations:
danh vai » danh va, doanh van, dang van
danh sai » dung sai, danh bat, danh dau
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
qua cam » qua cham, qua cac, qua ca
cam duc » cam xuc, cao duc, pham duc
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky

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 lang xa hoi. hieu qua cam duc va ((danh vai) OR (danh sai)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky lang xa hoi. hieu qua cam duc va ((danh vai) OR (danh sai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ky lang xa hoi. hieu qua cam duc va ((danh vai) OR (danh sai)) cua tre*.