Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"so van chuc snippets" » "so van khuc snippets", "so van phuc snippets", "so van thuc snippets", "su van chuc snippets", "vo van chuc 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: (((("so van chuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("so van chuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( so van chuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("so van chuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.