Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cai thi cong snippets" » "cai tai cong snippets", "cai thien cong snippets", "cau thi cong snippets", "can thi cong snippets", "cao thi 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: (((("cai thi 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: (((("cai thi cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cai thi cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cai thi cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.