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