Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat dai son snippets" » "luat dat son snippets", "luat dan son snippets", "luat dau son snippets", "luat dai so snippets", "luat doi song snippets", "luat thai son 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 dai son 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 dai son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat dai son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat dai son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.