Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc tinh ca snippets" » "duc thinh ca snippets", "duc minh ca snippets", "dac tinh ca snippets", "duc tinh cao snippets", "duc tinh cua snippets", "duc tinh va 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: (((("duc tinh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc tinh ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc tinh ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc tinh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.