Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi tinh ca snippets" » "thai tinh ca snippets", "thi trinh ca snippets", "thi thinh ca snippets", "thi tinh cao snippets", "thi tinh cua snippets", "thi 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: (((("thi 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: (((("thi tinh ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi tinh ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi tinh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.