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