Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha tao can snippets" » "pha tap can snippets", "pha tan can snippets", "pha vao can snippets", "pha tao canh snippets", "pha tao cao snippets", "pha tao ban 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: (((("pha tao can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha tao can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha tao can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha tao can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.