Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han tai can snippets" » "hang tai can snippets", "nhan tai can snippets", "van tai can snippets", "han tai san snippets", "han tai cac snippets", "han tai ban 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 tai can 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 tai can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han tai can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han tai can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.