Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc hieu ca snippets" » "toc thieu ca snippets", "hoc thieu ca snippets", "hoc hien ca snippets", "doc hieu cac snippets", "doc hieu cua snippets", "doc hieu va snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("doc hieu 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: (((("doc hieu ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( doc hieu ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))*.