Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat mon cau snippets" » "nhap mon cau snippets", "nhat moi cau snippets", "hat mon cau snippets", "nhat mon chu snippets", "nhat toan cau snippets", "nhat cong cau 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: (((("nhat mon cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat mon cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat mon cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat mon cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.