Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac pha che snippets" » "cach pha che snippets", "cac phan che snippets", "cac nha che snippets", "cac phap che snippets", "cac pham 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: (((("cac pha che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac pha che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac pha che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac pha che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.