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