Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dap hang doi snippets" » "dap hang code snippets", "dat hang doi snippets", "dai hang doi snippets", "dai thang doi snippets", "dap hang di snippets", "dap hang loi snippets", "dap huong doi 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: (((("dap hang doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dap hang doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dap hang doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap hang doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.