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