Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lich than vo snippets" » "lich thai vo snippets", "tich than vo snippets", "lich han vo snippets", "lich than va snippets", "lich than doc snippets", "lich than hoc 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: (((("lich than vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lich than vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lich than vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lich than vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.