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