Perhaps you should try some spelling variations:
"chon vi chat snippets" » "chon vi code snippets", "chon voi chat snippets", "chon va chat snippets", "chon ve chat snippets", "cho vi chat snippets", "con vi chat snippets", "cuon vi 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: (((("chon vi chat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chon vi chat snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chon vi chat snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chon vi chat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.