Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"che pha cau snippets" » "che pham cau snippets", "che phap cau snippets", "che phu cau snippets", "che phan cau snippets", "che 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: (((("che 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: (((("che pha cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( che pha cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("che pha cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.