Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu thanh ve snippets" » "thu thang ve snippets", "tu thanh ve snippets", "thuan thanh ve snippets", "thu hanh ve snippets", "thu thanh va snippets", "thu thanh vien 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 thanh 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 thanh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu thanh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu thanh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.