Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao khang du snippets" » "tao khoang du snippets", "tao zhang du snippets", "dao khang du snippets", "tao hang du snippets", "tao khang cu snippets", "tao hang dau 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: (((("tao khang 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: (((("tao khang du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao khang du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao khang du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.