Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh cho con snippets" » "dinh chon con snippets", "danh cho con snippets", "dinh chi con snippets", "dinh cho cong snippets", "dinh cho lon snippets", "dinh cho can 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 cho 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 cho con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh cho con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh cho con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.