Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"van tinh hoi snippets" » "van thinh hoi snippets", "van minh hoi snippets", "ban tinh hoi snippets", "van trinh hoi snippets", "van tinh hoc snippets", "van tinh hai snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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