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