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