Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hue toan snippets" » "thi huu toan snippets", "thi huy toan snippets", "thi hue thanh snippets", "thien hue toan snippets", "thi thuy toan 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: (((("thi hue toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi hue toan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi hue toan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hue toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.