Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat anh de snippets" » "sat anh de snippets", "dat khanh de snippets", "nhat anh de snippets", "dat hanh de snippets", "dat anh d snippets", "dat anh ve 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: (((("dat anh 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: (((("dat anh de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat anh de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat anh de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.