Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thao cua du snippets" » "thai cua du snippets", "than cua du snippets", "tho cua du snippets", "thao cua duc snippets", "thao cua ndu snippets", "thao cua su 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: (((("thao cua 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: (((("thao cua du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thao cua du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thao cua du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.