Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tuan anh cad snippets" » "tuan hanh cad snippets", "tuan anh ca snippets", "tuan anh cam snippets", "quan anh cad snippets", "tran anh cad snippets", "luan anh cad 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: (((("tuan anh cad snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tuan anh cad snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuan anh cad snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuan anh cad snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.