Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"leng su cao snippets" » "peng su cao snippets", "luong su cao snippets", "lang suc cao snippets", "leng cu cao snippets", "leng vu cao snippets", "leng su co 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 cao 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 cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( leng su cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("leng su cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.