Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using java java snippets" » "using data java snippets", "using java java slippers"
"van tinh code snippets" » "van tinh co snippets", "van thinh code snippets", "van minh code snippets", "ban tinh code snippets", "van tinh code slippers"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("van tinh code 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 tinh code snippets") OR ("using java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( van tinh code snippets ) or ( using java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van tinh code snippets") or ("using java java snippets"))) or ("locating bugs code snippets"))*.