Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ngu ta cau snippets" » "ngu ta code snippets", "ngu tap cau snippets", "ngu ca cau snippets", "ngu tu cau snippets", "ngu tao cau snippets", "ngu tra cau snippets", "ngu va cau 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: (((("python using java snippets") or ("ngu ta cau snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("ngu ta cau snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( ngu ta cau snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("ngu ta cau snippets"))) or ("locating bug core snippets"))*.