Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"banh kem two snippets" » "hanh kem two snippets", "banh keo two snippets", "ban kem two snippets", "banh kem theo snippets", "banh kem two slippers"
"locating bug code snippets" » "locating bug code slippers", "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 kem two 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 kem two snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( banh kem two snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("banh kem two snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.