Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau dong son snippets" » "cau duong son snippets", "cau cong son snippets", "cao dong son snippets", "cau dong von snippets", "cau dong san snippets", "cau hoang son 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: (((("cau dong son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau dong son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau dong son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau dong son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.