Perhaps you should try some spelling variations:
hang tai » hang va, dung tai
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
hieu va » lieu va, hieu qua
cam luc » cam xuc, cau luc
va hang » van hang, va nang, va lang
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
te sac » te sach, te cac, te san
tu san » thu san, tu ban, tu can
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sac) or (tu san)) ky dang xa hoi. hieu va cam luc va hang tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (tu san)) ky dang xa hoi. hieu va cam luc va hang tai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (tu san)) ky dang xa hoi. hieu va cam luc va hang tai cua tre*.