Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lua don chuc snippets" » "lua don code snippets", "lua cong chuc snippets", "lua dinh chuc snippets", "lua don thuoc snippets", "la don chuc snippets", "lua doi chuc snippets", "luan dong chuc 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: (((("lua don chuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lua don chuc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lua don chuc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua don chuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.