Perhaps you should try some spelling variations:
"lua voi chon snippets" » "lua voi code snippets", "lua voi con snippets", "lua voi phong snippets", "lua voi chien snippets", "lua doi chon snippets", "dua voi chon snippets", "sua voi chon snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

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 voi chon 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 voi chon snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( lua voi chon snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("lua voi chon snippets"))) or ("locating bug core snippets"))*.