Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhap ca moi snippets" » "nhap cua moi snippets", "nhap cac moi snippets", "nhap can moi snippets", "phap ca moi snippets", "nhan ca moi snippets", "nhat ca moi 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 ca moi 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 ca moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhap ca moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap ca moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.