Perhaps you should try some spelling variations:
"van truong dao snippets" » "tang truong dao snippets", "xuan truong dao snippets", "vien truong dao snippets", "van truong dai snippets", "van truong cao snippets", "van truong bo snippets", "van truong dao slippers"
"using sat java snippets" » "using data java snippets", "using a java snippets", "using raw java snippets", "using sat va snippets", "using sat 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: (((("using sat java snippets") or ("van truong dao snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using sat java snippets") OR ("van truong dao snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( using sat java snippets ) or ( van truong dao snippets ))) or ( locating bug code snippets ))*.