Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chiec nam do snippets" » "chi nam do snippets", "chiec la do snippets", "phien nam do snippets", "chiec nam dao snippets", "chiec nam doi snippets", "chiec nam bo 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: (((("chiec nam do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chiec nam do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chiec nam do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chiec nam do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.