Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lich san cho snippets" » "lich can cho snippets", "lich han cho snippets", "lich sinh cho snippets", "lich sang cho snippets", "lich san chi snippets", "lich san co 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 san cho 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 san cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lich san cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lich san cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.