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