Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sieu dan cua snippets" » "sieu dan code snippets", "sieu van cua snippets", "dien dan cua snippets", "sieu am cua snippets", "sieu dan ca snippets", "sieu ban cua snippets", "sieu 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: (((("sieu 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: (((("sieu dan cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( sieu dan cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sieu dan cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.