Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tim hanh cua snippets" » "tiem hanh cua snippets", "kim thanh cua snippets", "tien hanh cua snippets", "tim manh cua snippets", "tim hang cua snippets", "tim hanh sua 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: (((("tim hanh 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: (((("tim hanh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tim hanh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tim hanh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.