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