Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"luan day java slippers" » "luan dac java slippers", "luan xay java slippers", "luat day java slippers", "luan day va slippers", "luan day java slippery", "luan day java grippers"
"locating bug code snippets" » "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: (((("luan day java slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luan day java slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan day java slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan day java slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.