Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi tram cuu snippets" » "hoi trac cuu snippets", "doi giam cuu snippets", "doi nam cuu snippets", "doi tra cuu snippets", "doi cham cuu snippets", "doi tam cua 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: (((("doi tram cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi tram cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi tram cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi tram cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.