Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
ky trang » ke trang, ky trong, ky nang
hanh hai » thanh hai, nhanh hai, hang hai
hieu van » hieu va, thien van, lieu va
cua tre » cua te, cuu tre, cua triet
ky tang » ky nang, ky dang, kho tang
hieu ve » hieu va
hai cua » thai cua, dai cua, hoi cua
xuc van » duc van, luc van, xuc ban
su sac » su sach, su cac, su xac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ((ky trang) OR (ky tang)) xa hoi. ((hieu ve) or (hieu van)) cam xuc van hanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ((ky trang) OR (ky tang)) xa hoi. ((hieu ve) OR (hieu van)) cam xuc van hanh hai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ((ky trang) OR (ky tang)) xa hoi. ((hieu ve) or (hieu van)) cam xuc van hanh hai cua tre".
• Adding a wildcard symbol may retrieve word variants: su sac ((ky trang) OR (ky tang)) xa hoi. ((hieu ve) or (hieu van)) cam xuc van hanh hai cua tre*.