Perhaps you should try some spelling variations:
"hoc chu chan snippets" » "hoc chu code snippets", "hoc chu han snippets", "hoc chua chay snippets", "hoc chu van snippets", "hoc cau chan snippets", "hoc cho chan snippets", "hoc thuc chan 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 chu chan 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 chu chan snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hoc chu chan snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hoc chu chan snippets"))) or ("locating bug core snippets"))*.