Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luu quang do snippets" » "huu quang do snippets", "vu quang do snippets", "le quang do snippets", "luu quang d snippets", "luu quang de snippets", "luu quang dong 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: (((("luu quang 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: (((("luu quang do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luu quang do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luu quang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.