Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu qua cua snippets" » "phu quy cua snippets", "phu quang cua snippets", "phu quoc cua snippets", "phu quan cua snippets", "phu qua quan 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 qua cua 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 qua cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu qua cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu qua cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.