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