Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tich ham con snippets" » "tich ha con snippets", "tich hat con snippets", "tich nam con snippets", "tich hai con snippets", "tich pham cong snippets", "tich ham rong 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: (((("tich ham con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tich ham con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tich ham con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tich ham con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.