Perhaps you should try some spelling variations:
"hat cac cach snippets" » "hat cac code snippets", "hat cai cach snippets", "hat cuoc cach snippets", "hat va cach snippets", "sat cac cach snippets", "hat ca cach snippets", "hat sac 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 ("hat cac 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 ("hat cac cach snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hat cac cach snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hat cac cach snippets"))) or ("locating bug core snippets"))*.