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