Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chung cu du snippets" » "chung cuc du snippets", "chung cua du snippets", "chung cuu du snippets", "nhung cu du snippets", "cung cu du 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 cu du 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 cu du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chung cu du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chung cu du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.