Perhaps you should try some spelling variations:
"hoc mac chan snippets" » "hoc mac code snippets", "hoc mau chan snippets", "hoc mach phan snippets", "hoc tac chuan snippets", "hoc ma chan snippets", "hoc may chan snippets", "hoc cac chan snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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 mac 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 mac chan snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hoc mac chan snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hoc mac chan snippets"))) or ("locating bug core snippets"))*.