Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khi doi ca snippets" » "khi dai ca snippets", "khi hoi ca snippets", "khi moi ca snippets", "khi doi cua snippets", "khi doi cay snippets", "khi duoi ca 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: (((("khi doi 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: (((("khi doi ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khi doi ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khi doi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.