Perhaps you should try some spelling variations:
"diu dan cach snippets" » "diu dan code snippets", "diu dan cac snippets", "diu dan canh snippets", "diu nhan cach snippets", "diu dao cach snippets", "dieu danh cach snippets", "dien dan cach 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 ("diu dan cach snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("diu dan cach snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( diu dan cach snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("diu dan cach snippets"))) or ("locating bug core snippets"))*.