Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi voi nhap slippers" » "chi hoi nhap slippers", "chi voi nhat slippers", "chi moi nhat slippers", "choi voi nhap slippers", "khi voi nhap slippers", "cham voi nhap slippers", "chi voi nhap slippery", "chi voi nhap grippers"
"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: (((("chi voi nhap slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi voi nhap slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi voi nhap slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi voi nhap slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.