Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh su dk snippets" » "trinh su code snippets", "trinh tu dk snippets", "trinh san dk snippets", "trinh cau dk snippets", "trinh so dk snippets", "trinh su du snippets", "trinh su da 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 su dk 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 su dk snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trinh su dk snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh su dk snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.