Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets", "using data java slippers"
"van hung han snippets" » "van dung han snippets", "manh hung han snippets", "van duong han snippets", "van chung han snippets", "van hung ha snippets", "van hung dan snippets", "van hung han slippers"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using data java snippets\") OR (\"van hung han snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( using data java snippets ) OR ( van hung han snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using data java snippets") OR ("van hung han snippets"))) OR ("locating bugs code snippets"))*.