Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban kem doan snippets" » "ban ket doan snippets", "ban kieu doan snippets", "ban le doan snippets", "banh kem doan snippets", "ban ke doan snippets", "hanh kem doan 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: (((("ban kem doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban kem doan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban kem doan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban kem doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.