Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tot toan chi snippets" » "tot thang chi snippets", "tap toan chi snippets", "hop toan chi snippets", "tot toan cao snippets", "tot tai chi snippets", "tot luan chi 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: (((("tot toan chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tot toan chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tot toan chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tot toan chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.