Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trua cua tre snippets" » "tru cua tre snippets", "trung cua tre snippets", "qua cua tre snippets", "trua cua te snippets", "trua cuu tre snippets", "trua cua triet 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: (((("trua cua tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trua cua tre snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trua cua tre snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trua cua tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.