Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc cau da snippets" » "hoc cau code snippets", "hoc cao da snippets", "hoc cac da snippets", "hoc can da snippets", "hoc cau do snippets", "hoc cuu da snippets", "hoc cau ha 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: (((("hoc cau 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: (((("hoc cau da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoc cau da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc cau da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.