Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha tac cua snippets" » "pha tap cua snippets", "pha tan cua snippets", "pha cac cua snippets", "pha tac quan snippets", "pha thuc cua 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: (((("pha tac 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: (((("pha tac cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha tac cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha tac cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.