Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc su so snippets" » "phuc vu so snippets", "phuc cua so snippets", "phuc tu so snippets", "phuc su co snippets", "phuc su 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: (((("phuc su so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phuc su so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc su so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc su so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.