Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luat dan con snippets" » "luat dan code snippets", "luat dat con snippets", "luat doanh con snippets", "cua dan con snippets", "luat day con snippets", "luat dan mon snippets", "luat dan bon 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: (((("luat dan con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luat dan con snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( luat dan con snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat dan con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.