Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhap ti da snippets" » "nhap tinh da snippets", "phap tai da snippets", "phap thi da snippets", "nhap toi da snippets", "nhap thi da snippets", "nhap si da 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 ti da 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 ti da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhap ti da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap ti da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.