Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phong le di snippets" » "thong le di snippets", "hong le di snippets", "trong le di snippets", "phong le dai snippets", "phong le d 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 le di 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 le di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phong le di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phong le di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.