Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hang cac chu snippets" » "hang cac code snippets", "hang ca chu snippets", "hang cau chu snippets", "bang cac chu snippets", "hang cac thu snippets", "hang cac che snippets", "hang cac khu 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: (((("hang cac chu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang cac chu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hang cac chu snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang cac chu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.