Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han li da snippets" » "shan li da snippets", "ban li da snippets", "dan li da snippets", "han li dai snippets", "han si da snippets", "han li ca 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: (((("han li 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: (((("han li da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han li da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han li da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.