Perhaps you should try some spelling variations:
"hoat dong code snippets" » "hoat dong co snippets", "hoat dong che snippets", "hoat dong cong snippets", "hoa dong code snippets", "hoan dong code snippets", "hoat dong code slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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: (((("hoat dong code snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoat dong code snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoat dong code snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoat dong code snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.