Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cuong do hoc snippets" » "cuong do code snippets", "cuong dao hoc snippets", "cuong vo hoc snippets", "luong do hoc snippets", "cuong co hoc snippets", "cuong do hoa snippets", "cuong du hoc snippets"
"python using java snippets" » "python using data snippets"

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

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