Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong von lon snippets" » "dong von code snippets", "dung von lon snippets", "dong co lon snippets", "dong hoc lon snippets", "dong vong lon snippets", "dong von luan snippets", "dong cong lon 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 von lon 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 von lon snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong von lon snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong von lon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.