Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan lap che snippets" » "toan tap che snippets", "toan lao che snippets", "tan lap che snippets", "toan la che snippets", "toan lap phe snippets", "toan phap che 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 lap che 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 lap che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan lap che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan lap che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.