Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than doi cua snippets" » "thanh doi cua snippets", "thay doi cua snippets", "than doc cua snippets", "than hoi cua snippets", "than dai cua snippets", "than dong cua 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: (((("than doi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than doi cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than doi cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than doi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.