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