Perhaps you should try some spelling variations:
"dao lam cach snippets" » "dao lam code snippets", "dao lam sach snippets", "dao lam gach snippets", "dao loi cach snippets", "da lam cach snippets", "dao nam cach snippets", "dat lam cach snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data 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 ("dao lam cach snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dao lam cach snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dao lam cach snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dao lam cach snippets"))) or ("locating bug core snippets"))*.