Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chat hoc doi snippets" » "chat hoc code snippets", "chat hoa doi snippets", "chat thom doi snippets", "cho hoc doi snippets", "chat hoc dai snippets", "chat hoc noi snippets", "chat hoc moi 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: (((("chat hoc 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: (((("chat hoc doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chat hoc doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat hoc doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.