Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doan dieu du snippets" » "nhan dieu du snippets", "dang dieu du snippets", "toan dien du snippets", "doan diem du snippets", "doan dieu d snippets", "doan dieu vu 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: (((("doan dieu 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: (((("doan dieu du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doan dieu du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan dieu du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.