Perhaps you should try some spelling variations:
"python using lc snippets" » "python using c snippets", "python using l snippets", "python using low snippets", "python using lc slippers"
"dong tin java snippets" » "thong tin java snippets", "luong tin java snippets", "dong kinh java snippets", "dong trinh java snippets", "dong think java snippets", "dong tin va snippets", "dong tin java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("python using lc snippets") or ("dong tin java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using lc snippets") OR ("dong tin java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using lc snippets ) or ( dong tin java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using lc snippets") or ("dong tin java snippets"))) or ("locating bug code snippets"))*.