Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"web nhan mon snippets" » "web ban mon snippets", "de nhan mon snippets", "web nhap mon snippets", "web nhan mo snippets", "web nhan con 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 nhan mon 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 nhan mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( web nhan mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("web nhan mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.