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