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