Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phai san son snippets" » "phi san son snippets", "pha san son snippets", "hai san son snippets", "phai san song snippets", "phai van son snippets", "phai sam son 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: (((("phai san son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phai san son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phai san son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phai san son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.