Perhaps you should try some spelling variations:
"vi luong cuoc snippets" » "vi trong cuoc snippets", "dai luong cuoc snippets", "van luong cuoc snippets", "hai luong cuoc snippets"
"using a va snippets" » "using ca va snippets", "using ra va snippets", "using a van 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: (((("using a va snippets") or ("vi luong cuoc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using a va snippets") OR ("vi luong cuoc snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using a va snippets ) or ( vi luong cuoc snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a va snippets") or ("vi luong cuoc snippets"))) or ("locating bug code snippets"))*.