Perhaps you should try some spelling variations:
"dang ba hoan snippets" » "dang ba code snippets", "dang bac hoan snippets", "dang bai hoan snippets", "dang ha hoan snippets", "dang ba hoa snippets", "dang va hoan snippets", "dang van hoan 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 ("dang ba hoan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dang ba hoan snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dang ba hoan snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dang ba hoan snippets"))) or ("locating bug core snippets"))*.