Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
dua tren » dung tren
cau treo » cau theo, cau tren, cau triet
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
xuc ban » duc ban, cuc ban, quoc ban
cuu tre » cua tre, cau tren
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 nang xa hoi. hieu van cam xuc ban hanh vi ((dua tren) or (((cuu tre) or (cau treo))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. hieu van cam xuc ban hanh vi ((dua tren) OR (((cuu tre) OR (cau treo)))).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu van cam xuc ban hanh vi ((dua tren) or (((cuu tre) or (cau treo))))*.