Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc tam ca snippets" » "duc tham ca snippets", "duc tan ca snippets", "duc nam ca snippets", "duc tam cam snippets", "duc tam cua snippets", "duc am ca 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 tam 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 tam ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc tam ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc tam ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.