Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tap phan co snippets" » "tai phan co snippets", "cap phan co snippets", "tap pham co snippets", "tap phan bo snippets", "tap phan cong snippets", "tap phan cac 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: (((("tap phan co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tap phan co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tap phan co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tap phan co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.