Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuong v do snippets" » "cuong vo do snippets", "cuong ve do snippets", "chuong v do snippets", "cuong va do snippets", "cuong q do snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("cuong v do snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cuong v do snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cuong v do snippets ))) or ( locating bug code snippets ))*.