Perhaps you should try some spelling variations:
ban hang » ngan hang
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ve cac » va cac, vien cac

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 lang xa hoi. hieu ve cac xuc ((van ban) or (((ban hanh) or (ban hang)))) lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky lang xa hoi. hieu ve cac xuc ((van ban) OR (((ban hanh) OR (ban hang)))) lai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky lang xa hoi. hieu ve cac xuc ((van ban) or (((ban hanh) or (ban hang)))) lai cua tre*.