Perhaps you should try some spelling variations:
vien chat » van chat, vien cac, vien cao
hieu vien » hieu hien, hieu viec, thieu nien
hanh thai » nhanh thai, hinh thai, hanh tai
van hanh » van thanh, ban hanh, van anh
chat xuc » chat huu, cam xuc, chao xu
cua viet » ca viet, hoa viet, cua vat
nang co » nang cao, nang doc, nang noi
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
co lai » con lai, o lai, co dai
tu san » thu san, tu ban, tu can
tu sac » tu sach, tu cac, tu bac

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) OR (tu san)) ky nang co lai. hieu vien chat xuc van hanh thai ((cua tre) OR (cua viet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) OR (tu san)) ky nang co lai. hieu vien chat xuc van hanh thai ((cua tre) OR (cua viet))".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) OR (tu san)) ky nang co lai. hieu vien chat xuc van hanh thai ((cua tre) OR (cua viet))*.