Perhaps you should try some spelling variations:
"hoc can song snippets" » "hoc can code snippets", "hoc can dong snippets", "hoc cau song snippets", "hoc con song snippets", "hoc dan song snippets", "hoc cao song snippets", "hoc cac song 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 ("hoc can song snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("hoc can song snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hoc can song snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hoc can song snippets"))) or ("locating bug core snippets"))*.