Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tong cach le snippets" » "trong cach le snippets", "dong cach le snippets", "tong cac le snippets", "tong cach de snippets", "tong cach ben 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: (((("tong cach 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: (((("tong cach le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tong cach le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tong cach le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.