Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bot hoc cach snippets" » "bot hoc cac snippets", "bot hoc sach snippets", "bot cuoc cach snippets", "post hoc cach snippets", "bot khoa cach snippets", "buoc hoc cach 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: (((("bot hoc cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bot hoc cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bot hoc cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bot hoc cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.