Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using data code snippets" » "using java code snippets", "using sat code snippets", "missing data code snippets", "using rate code snippets"
"van cuc do snippets" » "van duc do snippets", "van luc do snippets", "van cu do snippets", "van cuc du snippets", "van muc do snippets", "van cuoc doi snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using data code snippets") OR ("van cuc do snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using data code snippets ) or ( van cuc do snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using data code snippets") or ("van cuc do snippets"))) or ("locating bugs code snippets"))*.