Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoi cac cho snippets" » "hoi cac code snippets", "hoc cac cho snippets", "voi cac cho snippets", "hoa cac cho snippets", "hoi cap cho snippets", "hoi cao cho snippets", "hoi cac co 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: (((("hoi cac cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi cac cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoi cac cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi cac cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.