Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan cho cham snippets" » "dan cho code snippets", "dan co cham snippets", "dan chao chao snippets", "dan chin cham snippets", "danh cho cham snippets", "san cho cham snippets", "dac cho cham 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: (((("dan cho cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan cho cham snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dan cho cham snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan cho cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.