Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"van trinh cad snippets" » "van thinh cad snippets", "van tinh cad snippets", "dan trinh cad snippets", "van trinh cau snippets", "van trinh cac snippets", "van trinh cam snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("van trinh cad snippets") or ("using java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van trinh cad snippets") OR ("using java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( van trinh cad snippets ) or ( using java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van trinh cad snippets") or ("using java java snippets"))) or ("locating bugs code snippets"))*.