Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"soc trinh do snippets" » "doc trinh do snippets", "hoc trinh do snippets", "soc trang do snippets", "soc trinh ky 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: (((("soc trinh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("soc trinh do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( soc trinh do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("soc trinh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.