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