Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using data core snippets" » "using java core snippets", "using sat core snippets", "missing data core snippets"
"van phan java snippets" » "van phan va snippets", "van phong java snippets", "van thanh java snippets", "luan phan java snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using data core snippets") or ("van phan java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using data core snippets") OR ("van phan java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using data core snippets ) or ( van phan java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data core snippets") or ("van phan java snippets"))) or ("locating bugs code snippets"))*.