Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc co loa snippets" » "duoc hoc loa snippets", "duong co loa snippets", "duoc hoi loa snippets", "duoc co loi snippets", "duoc co lon 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: (((("duoc co loa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoc co loa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc co loa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc co loa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.