Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhap vai doi snippets" » "nhap van doi snippets", "nhan va doi snippets", "nha van doi snippets", "nhap va doi snippets", "nhap voi doi snippets", "nhap mai doi 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 vai doi 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 vai doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhap vai doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap vai doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.