Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xanh cay so snippets" » "xanh ca so snippets", "nhanh cay so snippets", "xanh a so snippets", "xanh cay co snippets", "xanh cay mo snippets", "xanh cao so 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: (((("xanh cay so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("xanh cay so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xanh cay so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xanh cay so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.