Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc cuoi co snippets" » "doc cuoc co snippets", "doc nguoi co snippets", "duoc cuoc co snippets", "doc muoi co snippets", "doc cuoi cua 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: (((("doc cuoi co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc cuoi co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc cuoi co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc cuoi co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.