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