Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong danh ca snippets" » "dong danh code snippets", "dong doanh ca snippets", "dong anh ca snippets", "cong danh ca snippets", "dong dan ca snippets", "dong doanh cua snippets", "dong danh cho 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: (((("dong danh ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong danh ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong danh ca snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong danh ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.