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