Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xin dong hoi snippets" » "dien dong hoi snippets", "bien dong hoi snippets", "mien dong hoi snippets", "xin dong hoc snippets", "xin dong hoa snippets", "xin tong hop 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: (((("xin dong hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("xin dong hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xin dong hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xin dong hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.