Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh san vo snippets" » "trinh san code snippets", "trinh han vo snippets", "trinh van vo snippets", "trinh quan vo snippets", "trinh san co snippets", "trinh san va snippets", "trinh san ho 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 san vo 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 san vo snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trinh san vo snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh san vo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.