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