Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kham dan cua snippets" » "kham da cua snippets", "khau dan cua snippets", "ham dan cua snippets", "kham dan ca snippets", "kham ban cua snippets", "kham dai cua 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: (((("kham dan cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kham dan cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kham dan cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kham dan cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.