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