Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuy dung du snippets" » "thuy duong du snippets", "thuoc dung du snippets", "huy duong du snippets", "thuy dung de snippets", "thuy dung cu snippets", "thuy dung cua 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: (((("thuy dung 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: (((("thuy dung du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuy dung du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuy dung du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.