Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"cao hoc chat snippets" » "cao hoc phat snippets", "cao hoc cao snippets", "cao hoc phan snippets", "co hoc chat snippets", "cho hoc chat snippets", "chat 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: (((("cao 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: (((("cao hoc chat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao hoc chat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao hoc chat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.