Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using data phan snippets" » "using java phan snippets", "using sat phan snippets", "missing data phan snippets", "using dam phan snippets", "using vat phan snippets", "using data phan slippers"
"van tai java snippets" » "van tai va snippets", "von tai java snippets", "van tuan java snippets", "van tai java slippers"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"van tai java snippets\") OR (\"using data phan snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( van tai java snippets ) OR ( using data phan snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van tai java snippets") OR ("using data phan snippets"))) OR ("locating bugs code snippets"))*.