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