Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc vu cham snippets" » "phuc va cham snippets", "phuc vu kham snippets", "phuc tu cham snippets", "thuc vu cham snippets", "phu vu cham 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 vu cham 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 vu cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc vu cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc vu cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.