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