Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son nam do snippets" » "bon nam do snippets", "soi nam do snippets", "dong nam do snippets", "son nam dao snippets", "son nam doi snippets", "son nam bo 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: (((("son nam do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("son nam do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son nam do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son nam do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.