Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dap tan voi snippets" » "dap tan code snippets", "dac tan voi snippets", "dai tan voi snippets", "tap toan voi snippets", "dap than voi snippets", "dap ban voi snippets", "dap tan hoi snippets"
"python using java snippets" » "python using data 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: (((("python using java snippets") or ("dap tan voi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dap tan voi snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dap tan voi snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dap tan voi snippets"))) or ("locating bug core snippets"))*.