Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong nam he snippets" » "dong nam code snippets", "dong ha he snippets", "dong tai he snippets", "dong va he snippets", "dong nam ha snippets", "dong nam hien snippets", "dong nam nghe snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dong nam 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 nam he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong nam he snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong nam he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.