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