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