Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua theo chu snippets" » "cua thep chu snippets", "cua tho chu snippets", "cua thuoc chu snippets", "cua theo chieu snippets", "cua cho chu snippets", "cua chao chu 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: (((("cua theo chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua theo chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua theo chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua theo chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.