Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tuong den da snippets" » "huong den da snippets", "tuong dan da snippets", "thong den da snippets", "tuong dien da snippets", "tuong den do 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: (((("tuong den 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: (((("tuong den da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuong den da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuong den da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.