Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"web hang cua snippets" » "web bang cua snippets", "web huong cua snippets", "web ban cua snippets", "web mang cua snippets", "web hang ca 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: (((("web hang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("web hang cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( web hang cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("web hang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.