Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"fan mo cho snippets" » "dan mo cho snippets", "ran mo cho snippets", "van mo cho snippets", "fan mo chon snippets", "fan moi cho snippets", "fan mo ho 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 mo cho 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 mo cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( fan mo cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("fan mo cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.