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