Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
chat xuc » chat huu, cam xuc, chat cua
ban hanh » ban hang
than cua » nhan cua, thai cua, ban cua
cua tre » cua te, cuu tre, cua triet
su cac » tu cac, su cao, su can
va dan » ca dan, va dao, va dau
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cac ky nang x hoi. hieu van ((chat xuc) OR (chao xu)) ((ban hanh) or (va dan)) than cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cac ky nang x hoi. hieu van ((chat xuc) OR (chao xu)) ((ban hanh) OR (va dan)) than cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su cac ky nang x hoi. hieu van ((chat xuc) OR (chao xu)) ((ban hanh) or (va dan)) than cua tre".
• Adding a wildcard symbol may retrieve word variants: su cac ky nang x hoi. hieu van ((chat xuc) OR (chao xu)) ((ban hanh) or (va dan)) than cua tre*.