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