Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat chat cho snippets" » "ban chat cho snippets", "bao chat cho snippets", "vat chat cho snippets", "bat chat co snippets", "bat chat thom snippets", "bat cap cho 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: (((("bat chat cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bat chat cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat chat cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat chat cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.