Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van luong thuc snippets" » "van thuong thuc snippets", "van phuong thuc snippets", "van luong thi snippets", "van duong thuc snippets", "van cuong thuc snippets", "nang luong thuc snippets"
"using a java snippets" » "using _ 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 a java snippets") or ("van luong thuc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using a java snippets") OR ("van luong thuc snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using a java snippets ) or ( van luong thuc snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a java snippets") or ("van luong thuc snippets"))) or ("locating bug core snippets"))*.