Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"banh cho can snippets" » "danh cho can snippets", "banh chi can snippets", "benh cho can snippets", "banh cho cac snippets", "banh cho phan snippets", "banh cho cong 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 cho can 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 cho can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( banh cho can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("banh cho can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.