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