Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bieu cua oc snippets" » "dieu cua oc snippets", "hieu cua oc snippets", "giau cua oc snippets", "bieu cua hoc snippets", "bieu cua loc snippets", "bieu cua toc 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: (((("bieu cua oc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bieu cua oc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bieu cua oc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bieu cua oc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.