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