Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong ban cao snippets" » "dong ban code snippets", "dong bang cao snippets", "dong san cao snippets", "dong bac cao snippets", "dong bao cao snippets", "dong ban can snippets", "dong ban co 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 ban cao 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 ban cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong ban cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong ban cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.