Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"php va cau snippets" » "phap va cau snippets", "phap vat cau snippets", "phap van cau snippets", "php van cau snippets", "php va cac snippets", "php va dau snippets"

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: "((((\"php va cau snippets\") OR (\"python using java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( php va cau snippets ) OR ( python using java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("php va cau snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))*.