Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao thanh vo snippets" » "ban thanh vo snippets", "tro thanh vo snippets", "de thanh vo snippets", "dao thanh va snippets", "dao thanh ve snippets", "dao than vo 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: (((("dao thanh vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao thanh vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao thanh vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao thanh vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.