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