Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh he ca snippets" » "trinh he code snippets", "trinh han ca snippets", "trinh hoa ca snippets", "trinh ky ca snippets", "trinh he cac snippets", "trinh he can snippets", "trinh he cao 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 he ca 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 he ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trinh he ca snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh he ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.