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