Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh nam da snippets" » "hanh nam da snippets", "danh nam da snippets", "anh cam da snippets", "anh nam dan snippets", "anh nam a snippets", "anh nam va 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: (((("anh nam da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh nam da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh nam da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh nam da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.