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