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