Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nen bai con snippets" » "yen bai con snippets", "nen tai con snippets", "benh bai con snippets", "nen bai lon snippets", "nen hai con snippets", "nen tai 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: (((("nen bai con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nen bai con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nen bai con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nen bai con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.