Perhaps you should try some spelling variations:
"using java java slippers" » "using data java slippers", "using java java slippery", "using java java grippers"
"dai dang va snippets" » "da dang va snippets", "dai nang va snippets", "hai dang va snippets", "dai dang van snippets", "dai dang vat snippets", "dai hang va snippets"
"locating bug code snippets" » "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: "((((\"using java java slippers\") OR (\"dai dang va snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( using java java slippers ) OR ( dai dang va snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java slippers") OR ("dai dang va snippets"))) OR ("locating bug code snippets"))*.