Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duong xa cac snippets" » "duong va cac snippets", "duong ma cac snippets", "dong xa cac snippets", "duong ca cac snippets", "duong xa cao 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: (((("duong xa cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duong xa cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duong xa cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duong xa cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.