Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"long linh ho snippets" » "long tinh ho snippets", "cong linh ho snippets", "long binh ho snippets", "long linh hon snippets", "long linh tho snippets", "long dinh ho 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: (((("long linh 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: (((("long linh ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long linh ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long linh ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.