Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"banh van mo snippets" » "anh van mo snippets", "ban van mo snippets", "bach van mo snippets", "banh van mao snippets", "banh van do snippets", "banh van ho 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: (((("banh van mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("banh van mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( banh van mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("banh van mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.