Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc bai cach snippets" » "hoc cai cach snippets", "hoc bang cach snippets", "hoc loi cach snippets", "hoc dai cach snippets", "hoc giai 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: (((("hoc bai 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: (((("hoc bai cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc bai cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc bai cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.