Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kiem con chi snippets" » "kiem mon chi snippets", "khiem cong chi snippets", "kiem chong chi snippets", "kiem con chim snippets", "kiem cong chi snippets", "kiem can 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: (((("kiem con 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: (((("kiem con chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kiem con chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kiem con chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.