Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"hanh voi chat snippets" » "hanh vi chat snippets", "hanh noi chat snippets", "hanh moi chat snippets", "hanh voi nhat snippets", "hanh van chat snippets", "hanh hop 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: (((("hanh voi 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: (((("hanh voi chat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh voi chat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh voi chat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.