Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chap dan da snippets" » "chap dat da snippets", "hap dan da snippets", "chan dang da snippets", "chap dan dat snippets", "chap dan ca snippets", "chap dan va 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: (((("chap dan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chap dan da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chap dan da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chap dan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.