Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"don va cao snippets" » "don va code snippets", "doan va cao snippets", "dong va cao snippets", "don vi cao snippets", "don va cac snippets", "don va co snippets", "don va dao 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 ("don va cao snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("don va cao snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( don va cao snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("don va cao snippets"))) or ("locating bug core snippets"))*.