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