Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"buc trang du snippets" » "buc tranh du snippets", "thuc trang du snippets", "truc trang du snippets", "buc tang du snippets", "buc trung du snippets", "buc trang de 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: (((("buc trang du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("buc trang du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( buc trang du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("buc trang du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.