Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"danh cap can snippets" » "danh cap code snippets", "danh ca can snippets", "danh cau can snippets", "hanh cap can snippets", "danh cap han snippets", "danh cap van snippets", "danh tap can 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: (((("danh cap can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh cap can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( danh cap can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh cap can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.