Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh dao he snippets" » "dinh dat he snippets", "minh dao he snippets", "dinh cao he snippets", "dinh tao he snippets", "dinh dao ho snippets", "dinh dao ve 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 dao he 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 dao he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh dao he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh dao he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.