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