Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan ho case snippets" » "toan hoc case snippets", "toan khoa case snippets", "toan cao case snippets", "toan two case 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: (((("toan ho case snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan ho case snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan ho case snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan ho case snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.