Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hon thanh do snippets" » "hoan thanh do snippets", "nhon thanh do snippets", "son thanh do snippets", "hon thanh pho snippets", "hon thanh hoa snippets", "hon thanh loi 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: (((("hon thanh 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: (((("hon thanh do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hon thanh do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hon thanh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.