Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"trinh hoc ki snippets" » "trinh hoa ki snippets", "tinh hoc ki snippets", "trinh hoi ki snippets", "trinh hoc ky snippets", "trinh hoc kinh snippets", "trinh hoc khoi 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 hoc ki 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 hoc ki snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trinh hoc ki snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh hoc ki snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.