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