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