Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"de cai hon snippets" » "de ca hon snippets", "de cai hoa snippets", "de cao hon snippets", "de tai hon snippets", "ve cai hon 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: (((("de cai hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("de cai hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( de cai hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("de cai hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.