Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"so danh cha snippets" » "so danh code snippets", "so danh cho snippets", "so danh ca snippets", "so canh cha snippets", "do danh cha snippets", "so sanh cha snippets", "so dan cha 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: (((("so danh 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: (((("so danh cha snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( so danh cha snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("so danh cha snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.