Perhaps you should try some spelling variations:
"cap hao cach snippets" » "cap hao code snippets", "cap nhan cach snippets", "cap phap cach snippets", "cap va cach snippets", "cap han cach snippets", "cap hay cach snippets", "cap nhat 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 ("cap hao 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 ("cap hao cach snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cap hao cach snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cap hao cach snippets"))) or ("locating bug core snippets"))*.