Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau vinh du snippets" » "van vinh du snippets", "cau danh du snippets", "tan vinh du snippets", "cau dinh du snippets", "cau vinh dieu snippets", "cau minh duc 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: (((("cau vinh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau vinh du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau vinh du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau vinh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.