Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tai he doan snippets" » "tai he dan snippets", "tai le doan snippets", "tai thi doan snippets", "tai hoe doan snippets", "tai ha doan 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: (((("tai he doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tai he doan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tai he doan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tai he doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.