Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"len con hong snippets" » "len con song snippets", "len cong thong snippets", "len cong khong snippets", "len cong hong snippets", "lon con hong snippets", "le con hong 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: (((("len con hong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("len con hong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( len con hong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("len con hong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.