Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan van co snippets" » "phan van code snippets", "pham van co snippets", "thanh van co snippets", "luan van co snippets", "phan van cho snippets", "phan ban co snippets", "phan san co 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 ("phan van co snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("phan van co snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( phan van co snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("phan van co snippets"))) or ("locating bug core snippets"))*.