Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu li cong snippets" » "phu bi cong snippets", "phu li song snippets", "phu lieu cong snippets", "phu loi cong snippets", "phu ly cong snippets", "phu la 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: (((("phu li cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phu li cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu li cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu li cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.