Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"dinh van java slippers" » "trinh van java slippers", "sinh vat java slippers", "dinh van java slippery", "dinh van java grippers"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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

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