Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"hang va trac slippers" » "hang va tac slippers", "hang tap trac slippers", "nang va trac slippers", "dang va trac slippers", "hanh va trac slippers", "hang va trac slippery", "hang va 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: (((("hang va 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: (((("hang va trac slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang va trac slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang va trac slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.