Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich mot con snippets" » "tich mot con snippets", "dinh moi con snippets", "dich hoc con snippets", "dich mot cong snippets", "dich mot co snippets", "dich moi con 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: (((("dich mot con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dich mot con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich mot con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich mot con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.