Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don tinh hoi snippets" » "doan tinh hoi snippets", "dong tinh hoi snippets", "den tinh hoi snippets", "don trinh hoi snippets", "don tinh hoc snippets", "don tinh hai 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 hoi 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 hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don tinh hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don tinh hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.