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