Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"web hang ton snippets" » "web bang ton snippets", "web huong ton snippets", "web ban ton snippets", "web hang nong snippets", "web hang cong snippets", "web hang tai 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 ton 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 ton snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( web hang ton snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("web hang ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.