Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chuc su doan snippets" » "chuc su code snippets", "phuc su doan snippets", "chuc nu doan snippets", "chun su doan snippets", "chuc su doanh snippets", "chuc du doan snippets", "chuc su hoan 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: (((("chuc su doan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chuc su doan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chuc su doan snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chuc su doan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.