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