Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao tinh da snippets" » "dao tinh code snippets", "dac tinh da snippets", "dao minh da snippets", "dao dinh da snippets", "dao tinh va snippets", "dao tinh gia snippets", "dao tinh lao snippets"
"python using java snippets" » "python using data 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 tinh da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao tinh da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dao tinh da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao tinh da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.