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