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