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