Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dat luan cha snippets" » "dat luan code snippets", "dan luan cha snippets", "dau luan cha snippets", "dat quang cha snippets", "dat luan chat snippets", "dat luan chi snippets", "dat luan nha 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: (((("dat luan cha snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat luan cha snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dat luan cha snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat luan cha snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.