Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"fan cau de snippets" » "van cau de snippets", "ban cau de snippets", "can cau de snippets", "fan cau den snippets", "fan cau do snippets", "fan cuu de 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: (((("fan cau de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("fan cau de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( fan cau de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("fan cau de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.