Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"von dang de snippets" » "von bang de snippets", "van dang de snippets", "von doanh de snippets", "von dang deo snippets", "von dung de snippets", "von dang do 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: (((("von dang 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: (((("von dang de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( von dang de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("von dang de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.