Perhaps you should try some spelling variations:
dieu kien » dieu khien, dien bien
kien chao » vien cao, dien cho, khien cho
cac khoi » cac thoi, cac khoan, cach thoi
hanh vai » hanh vi, hanh va, hanh tai
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ky va » ly va, ke va, my va
xu va » xu van, tu va, su va

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 va cac khoi. dieu kien chao xu va hanh vai ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky va cac khoi. dieu kien chao xu va hanh vai ((cua tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: tu sac ky va cac khoi. dieu kien chao xu va hanh vai ((cua tre) OR (cuu tre))*.