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