Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh du chi snippets" » "anh duc chi snippets", "danh du chi snippets", "anh d chi snippets", "anh dau chi snippets", "anh cu chi snippets", "anh di chi 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 du chi 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 du chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh du chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh du chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.