Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tang xuan du snippets" » "tang xuan code snippets", "tang luan du snippets", "tang quan du snippets", "dang xuan du snippets", "tang xuan duc snippets", "tang xuan huy snippets", "tang xuan thu 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 ("tang xuan du snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tang xuan du snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tang xuan du snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tang xuan du snippets"))) or ("locating bug core snippets"))*.