Perhaps you should try some spelling variations:
"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", "van luong thuc slippers"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets", "using data java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

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