Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh he chu snippets" » "trinh he code snippets", "trinh han chu snippets", "trinh hoa chu snippets", "trinh ky chu snippets", "trinh ho chu snippets", "trinh ve chu snippets", "trinh theo chu 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: (((("python using java snippets") or ("trinh he chu snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("trinh he chu snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( trinh he chu snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("trinh he chu snippets"))) or ("locating bug core snippets"))*.