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