Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hang cac cho snippets" » "hang cac code snippets", "hang ca cho snippets", "hang cau cho snippets", "bang cac cho snippets", "hang cap cho snippets", "hang cao cho snippets", "hang 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: (((("hang 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: (((("hang cac cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hang cac cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang cac cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.