Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap cac cha snippets" » "phap cach cha snippets", "phan cac cha snippets", "pha cac cha snippets", "phap cac chat snippets", "phap cac nha snippets", "phap cac che snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("phap cac cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap cac cha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap cac cha snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap cac cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.