Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can voi hoat snippets" » "can toi hoat snippets", "can doi hoat snippets", "can vo hoat snippets", "ban voi hoat snippets", "can moi hoat snippets", "cap voi hoat 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: (((("can voi hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("can voi hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can voi hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can voi hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.