Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phong so cay snippets" » "phong mo cay snippets", "phong cho cay snippets", "cong so cay snippets", "phong so cap snippets", "phong si cay snippets", "phong so cau 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: (((("phong so cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phong so cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phong so cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phong so cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.