Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat thi xe snippets" » "luat thai xe snippets", "luan thi xe snippets", "luat thu xe snippets", "luat thi xa snippets", "luat thi le snippets", "luat thi xo 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 thi xe 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 thi xe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat thi xe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat thi xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.