Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tranh hoang da snippets" » "tran hoang da snippets", "tranh hang da snippets", "thanh hoang da snippets", "tranh hoang code snippets", "tranh hoang dai snippets", "tranh hoang dat snippets", "tranh hoang de snippets"
"dung java java snippets" » "dung va java 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: (((("tranh hoang da snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tranh hoang da snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tranh hoang da snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tranh hoang da snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.