Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chi dat cua snippets" » "chi dat code snippets", "cai dat cua snippets", "chi dan cua snippets", "chi dao cua snippets", "chi dai cua snippets", "chi day cua snippets", "chi mat 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: (((("chi dat 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: (((("chi dat cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chi dat cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi dat cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.