Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh vinh ca snippets" » "danh vinh ca snippets", "anh kinh ca snippets", "anh dinh ca snippets", "anh tinh ca snippets", "anh vinh ha snippets", "anh vinh ba 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: (((("anh vinh 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: (((("anh vinh ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh vinh ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh vinh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.