Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh tap di snippets" » "anh ta di snippets", "anh tai di snippets", "anh tuan di snippets", "anh tap dai snippets", "anh tap de snippets", "anh tap ki 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 tap di 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 tap di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh tap di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh tap di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.