Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"chi tin va snippets" » "chi tien va snippets", "cho tin va snippets", "chai tinh va snippets", "chi tinh va snippets", "chi tin vao snippets", "chi tin va slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("chi tin va snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi tin va snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi tin va snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi tin va snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.