Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu troi cua snippets" » "phu tho cua snippets", "phu doi cua snippets", "su troi cua snippets", "phu tri cua snippets", "phu tro cua snippets", "phu hoi 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: (((("phu troi 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: (((("phu troi cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu troi cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu troi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.