Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong cuu he snippets" » "dong cuu code snippets", "dong cua he snippets", "song cuu he snippets", "dong cuc he snippets", "dong cuu che snippets", "dong cuu ve snippets", "dong cuu de 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 cuu he 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 cuu he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong cuu he snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong cuu he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.