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