Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha hang cua snippets" » "pham hang cua snippets", "nha hang cua snippets", "pham thang cua snippets", "pha mang cua snippets", "pha hang ca snippets", "pha huong 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 hang 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 hang cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha hang cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha hang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.