Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri ung de snippets" » "trinh ung de snippets", "tri cong de snippets", "tri dung de snippets", "tri dung deu snippets", "tri quang 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: (((("tri ung 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: (((("tri ung de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri ung de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri ung de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.