Perhaps you should try some spelling variations:
"lua hoc chat snippets" » "lua hoc code snippets", "lua hoc phat snippets", "lua hoc cao snippets", "lua hoc phan snippets", "luan hoc chat snippets", "luc hoc chat snippets", "cua hoc chat 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 hoc chat 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 hoc chat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( lua hoc chat snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("lua hoc chat snippets"))) or ("locating bug core snippets"))*.