Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh phu can snippets" » "tinh phu can snippets", "vinh phuc can snippets", "dinh thuy can snippets", "dinh phu san snippets", "dinh pho can snippets", "dinh thu canh 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: (((("dinh phu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dinh phu can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh phu can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh phu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.