Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu anh doc snippets" » "huu hanh doc snippets", "huu manh doc snippets", "cuu anh doc snippets", "huu anh duc snippets", "huu anh hoc snippets", "huu nang doc 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: (((("huu anh doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huu anh doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu anh doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu anh doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.