Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"data phu cua snippets" » "dat phu cua snippets", "data phan cua snippets", "dao phu cua snippets", "data phuc cua snippets", "data hu cua snippets", "data thu 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: (((("data phu 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: (((("data phu cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( data phu cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data phu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.