Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xac hai cua snippets" » "tac hai cua snippets", "xa hai cua snippets", "rac thai cua snippets", "xac thai cua snippets", "xac hoi cua snippets", "xac 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: (((("xac hai 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: (((("xac hai cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xac hai cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xac hai cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.