Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc thi da snippets" » "duc thi code snippets", "duc thai da snippets", "luc thi da snippets", "duc tho da snippets", "duc thi dai snippets", "duc thi dua snippets", "duc thi dan 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: (((("duc thi da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc thi da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( duc thi da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc thi da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.