Perhaps you should try some spelling variations:
"cu dan chieu snippets" » "cu dan code snippets", "cu da chieu snippets", "cu dao chieu snippets", "cu dien chieu snippets", "cua dan chieu snippets", "ca dan chieu snippets", "co dan chieu snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data 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: (((("cu dan chieu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cu dan chieu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cu dan chieu snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cu dan chieu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.