Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tan hai cua snippets" » "tan hai code snippets", "tran hai cua snippets", "van hai cua snippets", "tai hai cua snippets", "tan thai cua snippets", "tan hoi cua snippets", "tan 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: (((("tan hai 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: (((("tan hai cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tan hai cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan hai cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.