Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong chi ho snippets" » "cong khi ho snippets", "cong cho ho snippets", "con chi ho snippets", "cong chi hoa snippets", "cong chi o snippets", "cong chi ha 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 chi 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 chi ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong chi ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong chi ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.