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