Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua du cac snippets" » "cua duc cac snippets", "cua ndu cac snippets", "cua su cac snippets", "cua tu cac snippets", "cua do cac 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: (((("cua du cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua du cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua du cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua du cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.