Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hai dan cua snippets" » "hai dan code snippets", "hai dang cua snippets", "hoi dan cua snippets", "hai tan cua snippets", "hai dan ca snippets", "hai ban cua snippets", "hai dai cua 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: (((("hai dan cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hai dan cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hai dan cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai dan cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.