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