Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hieu ve » hieu va, hieu van
xuc van » xuc ban, thuc van, chuc van
luc van » luoc van, luu van, luc va
duc van » duc va, duc tan, duc manh
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam

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 dang xa hoi. hieu ve cam ((((xuc van) OR (luc van))) or (duc van)) hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky dang xa hoi. hieu ve cam ((((xuc van) OR (luc van))) OR (duc van)) hanh vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky dang xa hoi. hieu ve cam ((((xuc van) OR (luc van))) or (duc van)) hanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ky dang xa hoi. hieu ve cam ((((xuc van) OR (luc van))) or (duc van)) hanh vai cua tre*.