Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"len trinh he snippets" » "len trinh code snippets", "len tinh he snippets", "tien trinh he snippets", "lap trinh he snippets", "len trinh han snippets", "len trinh hoa snippets", "len trinh ky 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: (((("len trinh 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: (((("len trinh he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( len trinh he snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("len trinh he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.