Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"so thiet huu snippets" » "so thien hue snippets", "so nhiem huu snippets", "so thi huu snippets", "soc thiet huu snippets", "hoc thiet huu snippets", "hoa thiet huu snippets", "so thiet huu slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("so thiet huu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("so thiet huu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( so thiet huu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("so thiet huu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.