Perhaps you should try some spelling variations:
"lap dan nghe snippets" » "lap dan code snippets", "lap dang nghe snippets", "lap van nghe snippets", "lap day nghe snippets", "lap dat nghe snippets", "lap ban nghe snippets", "hap dan nghe snippets"
"locating bug core snippets" » "locating bug code 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: (((("python using java snippets") or ("lap dan nghe snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("lap dan nghe snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( lap dan nghe snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("lap dan nghe snippets"))) or ("locating bug core snippets"))*.