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