Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dang vat hoi snippets" » "dang vat code snippets", "dang van hoi snippets", "dong vat hoi snippets", "dang nhat hoi snippets", "dang vat hoc snippets", "dang va hoi snippets", "dang sat 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: (((("dang vat hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang vat hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang vat hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang vat hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.