Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu bo cong snippets" » "chu so cong snippets", "chu cao cong snippets", "chu hoc cong snippets", "chuc bo cong snippets", "chu bi cong snippets", "chu ho cong 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: (((("chu bo cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chu bo cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu bo cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu bo cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.