Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"va tri code snippets" » "va tri co snippets", "va tri cong snippets", "van tri code snippets", "va tai code snippets", "va thi code snippets"
"locating bug core snippets" » "locating bug code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("va tri code snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va tri code snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( va tri code snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))*.