Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"python using java snippets" » "python using data snippets"
"hoc do duc snippets" » "hoc doi duc snippets", "hoc co duc snippets", "hoc bo duc snippets", "hoc dao duc snippets", "hoc do duy 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 do duc snippets") or ("python using java snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc do duc snippets") OR ("python using java snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( hoc do duc snippets ) or ( python using java snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc do duc snippets") or ("python using java snippets"))) or ("locating bug code slippers"))*.