Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi san cho snippets" » "phi san cho snippets", "chi van cho snippets", "chi dan cho snippets", "chi sang cho snippets", "chi san chi snippets", "chi san co 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: (((("chi san cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi san cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi san cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi san cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.