Perhaps you should try some spelling variations:
"using data java slippery" » "using java java slippery", "using sat java slippery", "missing data java slippery", "using data java slippers"
"va cong va snippets" » "tai cong va snippets", "cua cong va snippets", "va dong va snippets", "va cong ha snippets", "va cong tac snippets", "va cong va 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: "((((\"using data java slippery\") OR (\"va cong va snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( using data java slippery ) OR ( va cong va snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using data java slippery") OR ("va cong va snippets"))) OR ("locating bug code snippets"))*.