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