Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"shan lu chi snippets" » "shan li chi snippets", "nhan luc chi snippets", "than luc chi snippets", "shan ly chi snippets", "shan cu chi snippets", "shan la 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: (((("shan lu 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: (((("shan lu chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( shan lu chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("shan lu chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.