Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dao hoc chat snippets" » "dao hoc phat snippets", "dao hoc cao snippets", "dao hoc phan snippets", "dai hoc chat snippets", "dan hoc chat snippets", "day hoc chat snippets"
"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: (((("dao hoc chat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao hoc chat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao hoc chat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao hoc chat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.