Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"diet cao anh snippets" » "dieu can anh snippets", "vien cao anh snippets", "viet co anh snippets", "diet cao dang snippets", "diet cao tang snippets", "diet cao bang snippets", "diet cao anh 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: (((("diet cao anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("diet cao anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( diet cao anh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("diet cao anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.