Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tan duc cong snippets" » "tan duc code snippets", "tan duc cuong snippets", "tan nuoc cong snippets", "tan chuc cong snippets", "tran duc cong snippets", "tan duoc cong snippets", "than duc cong 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: (((("tan duc cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan duc cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tan duc cong snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan duc cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.