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