Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"den thuc can snippets" » "den thuc code snippets", "dan thuc can snippets", "kien thuc can snippets", "diem thuc can snippets", "den thuc chan snippets", "den thuc dan snippets", "den thuc van 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: (((("den thuc can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("den thuc can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( den thuc can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den thuc can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.