Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xang dao do snippets" » "xang dau do snippets", "nang dao do snippets", "giang dao do snippets", "xang dao o snippets", "xang dao ho snippets", "xang dao dong 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: (((("xang dao do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("xang dao do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xang dao do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xang dao do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.