Perhaps you should try some spelling variations:
"using data va snippets" » "using java va snippets", "using sat va snippets", "missing data va snippets", "using dat va snippets", "using data a snippets", "using data v0 snippets"
"dai cuong code snippets" » "dai cuong cong snippets", "tai cong code snippets"
"locating bug core snippets" » "locating bug code 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 data va snippets") OR ("dai cuong code snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using data va snippets\") OR (\"dai cuong code snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( using data va snippets ) OR ( dai cuong code snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data va snippets") OR ("dai cuong code snippets"))) OR ("locating bug core snippets"))*.