Perhaps you should try some spelling variations:
hieu van » thien van, lieu va
van hanh » van thanh, ban hanh, van anh
hanh hai » thanh hai, nhanh hai, hang hai
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, vuc van
hai cuu » hai cua, hai chu, hai cuc
cuu tre » cua tre, cau tren, cau treo

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

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