Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hang son da snippets" » "hoang son da snippets", "lang son da snippets", "hang ton da snippets", "hang song da snippets", "hang son la snippets", "hang son ha 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: (((("hang son da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang son da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang son da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang son da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.