Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chung cua o snippets" » "chung cu o snippets", "dung cua o snippets", "huong cua o snippets", "chung cua bo snippets", "chung cua co snippets", "chung chua o 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: (((("chung cua o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chung cua o snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chung cua o snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chung cua o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.