Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phac doi cua snippets" » "phac do cua snippets", "pham doi cua snippets", "thay doi cua snippets", "phac hoi cua snippets", "phac dai cua snippets", "phac dong 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: (((("phac doi 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: (((("phac doi cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phac doi cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phac doi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.