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