Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don tinh di snippets" » "doan tinh di snippets", "dong tinh di snippets", "den tinh di snippets", "don tinh doi snippets", "don trinh di snippets", "don tinh da 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: (((("don tinh di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("don tinh di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don tinh di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don tinh di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.