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"
"van duong ra snippets" » "van dong ra snippets", "van dung ra snippets", "van phong ra snippets", "van duong va snippets", "van duong ma snippets", "van duong ha snippets", "van duong ra 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using data java slippery") or ("van duong ra snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using data java slippery") OR ("van duong ra snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using data java slippery ) or ( van duong ra snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data java slippery") or ("van duong ra snippets"))) or ("locating bug code snippets"))*.