Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh gi he snippets" » "trinh gi code snippets", "trinh gia he snippets", "trinh di he snippets", "trinh ki he snippets", "trinh gi de snippets", "trinh gi ve snippets", "trinh vi he 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 gi he 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 gi he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trinh gi he snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh gi he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.