Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"leng su ho snippets" » "peng su ho snippets", "luong su ho snippets", "lang suc ho snippets", "leng su hoa snippets", "leng su hoc snippets", "leng su pho 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: (((("leng su ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("leng su ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( leng su ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("leng su ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.