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