Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc viet dt snippets" » "hoc viet dt snippets", "thuc hien dt snippets", "thuc vat dt snippets", "thuc viet dat snippets", "thuc viet da snippets", "thuc viet 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: (((("thuc viet dt snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc viet dt snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc viet dt snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc viet dt snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.