Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu noi ve snippets" » "thuy noi ve snippets", "thu hoi ve snippets", "tho noi ve snippets", "thu moi ve snippets", "thu noi va 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: (((("thu noi ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu noi ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu noi ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu noi ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.