Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat ly doi snippets" » "luat le doi snippets", "luat lao doi snippets", "luat xay doi snippets", "luat ly dai snippets", "luat ky doi snippets", "luat ly do 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 ly doi 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 ly doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat ly doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat ly doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.