Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh tu cuong snippets" » "anh thu cuong snippets", "anh tu tuong snippets", "anh tu cong snippets", "anh tuan cuong 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 tu cuong 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 tu cuong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh tu cuong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh tu cuong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.