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