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