Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tim sach hoi snippets" » "tim mach hoi snippets", "tin sach hoi snippets", "tinh sach hoi snippets", "tim sach doi snippets", "tim sach moi snippets", "tim cach thoi 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: (((("tim sach hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tim sach hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tim sach hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tim sach hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.