Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"choi tao cao snippets" » "chon tao cao snippets", "che tao cao snippets", "cho dao cao snippets", "choi bao cao snippets", "choi toan 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: (((("choi tao 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: (((("choi tao cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( choi tao cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("choi tao cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.