Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cheng mo mo snippets" » "phong mo mo snippets", "thong mo mo snippets", "cheng lu mo snippets", "cheng mo ho snippets", "cheng mo co snippets", "cheng mo o 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: (((("cheng mo mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cheng mo mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cheng mo mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cheng mo mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.