Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc cuoc che snippets" » "doi cuoc che snippets", "dao cuoc che snippets", "doc cuoc chien snippets", "doc cuoc chay snippets", "doc cuu che 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 cuoc che 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 cuoc che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc cuoc che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc cuoc che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.