Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ven dong von snippets" » "vien dong von snippets", "van dong von snippets", "ven song von snippets", "ven dung von snippets", "ven dong co snippets", "ven dong hoc 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: (((("ven dong von snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ven dong von snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ven dong von snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ven dong von snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.