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