Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap cong loi snippets" » "tap cong loi snippets", "lap dong loi snippets", "luat cong loi snippets", "lap cong li snippets", "lap cong lon snippets", "lap cong goi 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: (((("lap cong loi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap cong loi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap cong loi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap cong loi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.