Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhap ma cua snippets" » "nhap ca cua snippets", "nhap xa cua snippets", "nhan ma cua snippets", "nhap manh cua snippets", "nhap mang cua 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: (((("nhap ma cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhap ma cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhap ma cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap ma cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.