Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tich cua cha snippets" » "tich cuc cha snippets", "tinh cua cha snippets", "tich cum cha snippets", "tich cua chu snippets", "tich cua nha snippets", "tich chua chay 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 cua cha 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 cua cha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tich cua cha snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tich cua cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.