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