Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dam thi cac snippets" » "dam thi code snippets", "dan thi cac snippets", "dao thi cac snippets", "pham thi cac snippets", "dam thi cuc snippets", "dam tai cac snippets", "dam thi tac 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: (((("dam thi cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dam thi cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dam thi cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam thi cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.