Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sang che noi snippets" » "sang cho noi snippets", "han che noi snippets", "hang cho noi snippets", "sang he noi snippets", "sang ghep noi snippets", "sang nghe noi 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: (((("sang che noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sang che noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sang che noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sang che noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.