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