Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"khong gian con snippets" » "khong gian cuon snippets", "khong gian co snippets", "khong gian don snippets", "thong gian con snippets", "phong gian con 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: (((("khong gian con snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khong gian con snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khong gian con snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khong gian con snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.