Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat hoi so snippets" » "luat moi so snippets", "luat so so snippets", "luat dai so snippets", "luat hoi co snippets", "luat hoi o snippets", "luat hai so 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 hoi so 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 hoi so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat hoi so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat hoi so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.