Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con dao cuoc snippets" » "con dao cuong snippets", "con dao duc snippets", "con va cuoc snippets", "con day cuoc snippets", "cuong dao cuoc snippets", "cong dan cuoc 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: (((("con dao cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con dao cuoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con dao cuoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con dao cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.