Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu voi can snippets" » "pho voi can snippets", "phu doi can snippets", "phu loi can snippets", "phu voi cac snippets", "phu voi cong snippets", "phu voi hang 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 voi can 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 voi can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu voi can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu voi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.