Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bieu cua cao snippets" » "dieu cua cao snippets", "hieu cua cao snippets", "giau cua cao snippets", "bieu cua cac snippets", "bieu cu cao snippets", "bieu cua cay 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 cao 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 cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bieu cua cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bieu cua cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.