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