Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh va hoi snippets" » "trinh va code snippets", "trinh van hoi snippets", "trinh vat hoi snippets", "trinh ve hoi snippets", "trinh xa hoi snippets", "trinh va hoc snippets", "trinh va hoa 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: (((("trinh va 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: (((("trinh va hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trinh va hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh va hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.