Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"tien can java slippers" » "tiep can java slippers", "tiem can java slippers", "tien van java slippers", "tien can va slippers", "tien can java slippery", "tien can 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: (((("tien can 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: (((("tien can java slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tien can java slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tien can java slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.