Perhaps you should try some spelling variations:
"lua vao cong snippets" » "lua vao code snippets", "lua va cong snippets", "lua cao cong snippets", "lua van cong snippets", "dua vao cong snippets", "lua dao cong snippets", "lua gao cong 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 vao cong 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 vao cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( lua vao cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("lua vao cong snippets"))) or ("locating bug core snippets"))*.