Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"trong ca trac slippers" » "trong cac trac slippers", "trong van trac slippers", "trong nha trac slippers", "trong va trac slippers", "trong ca tra slippers", "trong tap trac slippers", "trong ca trac slippery", "trong ca trac 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: (((("trong ca trac slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong ca trac slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong ca trac slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong ca trac slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.