Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can van che snippets" » "cac van che snippets", "can ban che snippets", "tan van che snippets", "can han che snippets", "can van chi snippets", "can van cho 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: (((("python using java snippets") or ("can van che snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("can van che snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( can van che snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("can van che snippets"))) or ("locating bug code snippets"))*.