Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong dang do snippets" » "dong dang code snippets", "duong dang do snippets", "dong bang do snippets", "dung dang do snippets", "dong nang doc snippets", "dong dung doi snippets", "dong dang duc 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 dang do 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 dang do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong dang do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong dang do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.