Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan cho chi snippets" » "toan cao chi snippets", "toan chi chi snippets", "toan ho chi snippets", "toan cho chu snippets", "toan cho ghi 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 cho chi 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 cho chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan cho chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan cho chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.