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