Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tich tinh da snippets" » "tich lich da snippets", "tich tinh va snippets", "tich tinh gia snippets", "tich tinh lao 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: (((("tich tinh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tich tinh da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tich tinh da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tich tinh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.