Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh cho con snippets" » "danh cho con snippets", "anh tho con snippets", "anh co con snippets", "anh cho cong snippets", "anh cho lon snippets", "anh cho can 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 cho con 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 cho con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh cho con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh cho con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.