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