Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phong mo da snippets" » "phong so da snippets", "thong mo da snippets", "phong cho da snippets", "phong mo dau snippets", "phong mo dai snippets", "phong mo va 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: (((("phong mo da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phong mo da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phong mo da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phong mo da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.