Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"manh cua a1 snippets" » "doanh cua a1 snippets", "ban cua a1 snippets", "manh cua am snippets", "manh cua a1 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: (((("manh cua a1 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("manh cua a1 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( manh cua a1 snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("manh cua a1 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.