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