Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tu tieng chi snippets" » "tu tieng cuoi snippets", "tu tieng thai snippets", "tu tien khi snippets", "luc tieng chi snippets", "tu tuong chi snippets", "tu trong chi 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: (((("tu tieng chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu tieng chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tu tieng chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu tieng chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.