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