Perhaps you should try some spelling variations:
"va luong cho snippets" » "va luong chu snippets", "va luong khoa snippets", "va luong theo snippets", "van luong cho snippets", "va tuong cho snippets", "va huong cho snippets"
"using sat java snippets" » "using data java snippets", "using a java snippets", "using raw java snippets", "using sat va snippets"
"locating bug code snippets" » "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: (((("va luong cho snippets") or ("using sat java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va luong cho snippets") OR ("using sat java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( va luong cho snippets ) or ( using sat java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va luong cho snippets") or ("using sat java snippets"))) or ("locating bug code snippets"))*.