Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van tuan vo snippets" » "van tuan code snippets", "van quan vo snippets", "van ban vo snippets", "anh tuan vo snippets", "van than vo snippets", "van tuan do snippets", "van toan von 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 ("van tuan vo snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("van tuan vo snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van tuan vo snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van tuan vo snippets"))) or ("locating bug core snippets"))*.