Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao thanh ve snippets" » "ban thanh ve snippets", "tro thanh ve snippets", "de thanh ve snippets", "dao hanh ve snippets", "dao thanh va snippets", "dao thanh vien 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 ve 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 ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao thanh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao thanh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.