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