Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha duoc hoc snippets" » "phan duoc hoc snippets", "phap nuoc hoc snippets", "phan quoc hoc snippets", "pha quoc hoi 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: (((("pha duoc hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha duoc hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha duoc hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha duoc hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.