Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc sen ton snippets" » "phuc se ton snippets", "phu yen ton snippets", "phu san ton snippets", "phuc sen tan snippets", "phuc sinh ton snippets", "phuc hien ton 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 sen ton 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 sen ton snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc sen ton snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc sen ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.