Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tuc nhat de snippets" » "luc nhat de snippets", "tuc hat de snippets", "nuoc nhat de snippets", "tuc nhat ve snippets", "tuc nhat le snippets", "tuc 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: (((("tuc 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: (((("tuc nhat de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuc nhat de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuc nhat de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.