Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc chi con snippets" » "thuc chim con snippets", "thuc thi con snippets", "thu chi con snippets", "thuc chi cong snippets", "thuc cho con snippets", "thuc khi con 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: (((("thuc chi con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc chi con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc chi con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc chi con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.