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