Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh so cao snippets" » "anh son cao snippets", "anh co cao snippets", "anh so cap snippets", "anh o cao snippets", "anh do cao 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 so cao 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 so cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh so cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh so cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.