Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc van von snippets" » "thuc van von snippets", "phuc va von snippets", "chuc van von snippets", "phuc vay von snippets", "phuc van van snippets", "phuc van dong 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: (((("phuc van 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: (((("phuc van von snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc van von snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc van von snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.