Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luoc ban can snippets" » "luoc can can snippets", "quoc ban can snippets", "buoc ban can snippets", "luoc ban dan snippets", "luoc ban hang snippets", "luoc ban hanh 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: (((("luoc ban 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: (((("luoc ban can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luoc ban can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luoc ban can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.