Perhaps you should try some spelling variations:
"dan think java snippets" » "dan trinh java snippets", "dan thi java snippets", "van thinh java snippets", "dan than java snippets"
"trong cac che snippets" » "trong cac he snippets", "trong cac chien snippets", "trong cac chat snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

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