Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang cac cha snippets" » "dung cac cha snippets", "bang cac cha snippets", "dong cac cha snippets", "dang cac chat snippets", "dang cac nha snippets", "dang 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: (((("dang 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: (((("dang cac cha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang cac cha snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang cac cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.