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