Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao chinh ca snippets" » "do chinh ca snippets", "dap chinh ca snippets", "dang chinh ca snippets", "dao chinh ta snippets", "dao chinh va snippets", "dao chinh tai 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 chinh ca 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 chinh ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao chinh ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao chinh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.