Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tinh nam ca snippets" » "tinh lao ca snippets", "tinh va ca snippets", "tinh nam cao snippets", "tinh nam cac snippets", "tinh nam cua 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: (((("tinh nam 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: (((("tinh nam ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh nam ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh nam ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.