Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh ca son snippets" » "danh ca son snippets", "anh cam son snippets", "anh cua son snippets", "anh cao son snippets", "anh ha son snippets", "anh ca san 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 ca son 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 ca son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh ca son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh ca son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.