Perhaps you should try some spelling variations:
"mao dat cach snippets" » "mao dat code snippets", "mao vat cach snippets", "mao dan cach snippets", "mao dat sach snippets", "tao dat cach snippets", "giao dat cach snippets", "mang dat 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 ("mao dat 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 ("mao dat cach snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( mao dat cach snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("mao dat cach snippets"))) or ("locating bug core snippets"))*.