Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi trong vo snippets" » "choi trong vo snippets", "doi trong vo snippets", "nuoi trong vo snippets", "hoi trong va snippets", "hoi trong co snippets", "hoi tuong vo 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 trong vo 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 trong vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi trong vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi trong vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.