Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cu dan moi snippets" » "cu dan code snippets", "cu ban moi snippets", "cu dai moi snippets", "cu dan hoi snippets", "cua dan moi snippets", "ca dan moi snippets", "co dan moi 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 moi 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 moi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cu dan moi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cu dan moi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.