Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuc nhat de snippets" » "luc nhat de snippets", "tuc nhat de snippets", "nuoc nhat de snippets", "cuc nhat ve snippets", "cuc nhat le snippets", "cuc chat deo 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: (((("cuc nhat de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuc nhat de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuc nhat de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuc nhat de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.