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