Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
xa hanh » xa thanh, xa khanh, va hanh
cua tre » cua te, cuu tre, cua triet
ca viet » va viet, co viet, hoa viet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
xuc xa » tuc xa, buc xa

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 nang xa hoi. hieu va cam xuc xa hanh vi ((cua tre) or (ca viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. hieu va cam xuc xa hanh vi ((cua tre) OR (ca viet)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu va cam xuc xa hanh vi ((cua tre) or (ca viet))*.