Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi den coi snippets" » "chi ben coi snippets", "chi dan coi snippets", "nhi den coi snippets", "chi den voi snippets", "chi den cong 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: (((("chi den coi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi den coi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi den coi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi den coi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.