Perhaps you should try some spelling variations:
"tuc cao cong snippets" » "tuc cao code snippets", "tuc cac cong snippets", "tuc cao dang snippets", "tuc cua cong snippets", "thuc cao cong snippets", "tuc co 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 ("tuc cao 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 ("tuc cao cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tuc cao cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tuc cao cong snippets"))) or ("locating bug core snippets"))*.