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