Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mot luat can snippets" » "mot luan can snippets", "bo luat can snippets", "hoc luat can snippets", "mot luat canh snippets", "mot luat dan snippets", "mot luat ban 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: (((("mot luat can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mot luat can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mot luat can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mot luat can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.