Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tao tinh da snippets" » "tao tinh code snippets", "tao trinh da snippets", "dao tinh da snippets", "tho tinh da snippets", "tao tinh va snippets", "tao tinh gia snippets", "tao 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: (((("tao 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: (((("tao tinh da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tao tinh da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao tinh da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.