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