Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc bai lon snippets" » "phuc lai lon snippets", "phuc tai lon snippets", "phuc hoi lon snippets", "phuc bai con snippets", "phuc bay lon 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 bai lon 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 bai lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc bai lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc bai lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.