Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"van ha trac snippets" » "van hai trac snippets", "van va trac snippets", "van ha tran snippets", "van hoa trac snippets", "van chat trac snippets", "van hanh trac snippets", "van ha trac slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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: "((((\"van ha trac snippets\") OR (\"using java java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( van ha trac snippets ) OR ( using java java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van ha trac snippets") OR ("using java java snippets"))) OR ("locating bug code snippets"))*.