Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"huu them cua snippets" » "huu them code snippets", "huu thu cua snippets", "huu thuc cua snippets", "huu liem cua snippets", "huu nhiem cua snippets", "huu cheo cua snippets", "huu diem 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: (((("huu them 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: (((("huu them cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( huu them cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu them cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.