Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cap nhan vo snippets" » "ca nhan vo snippets", "cam nhan vo snippets", "cac nhan vo snippets", "cap nhan va snippets", "cap nhan mo snippets", "cap than vo 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: (((("cap nhan vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cap nhan vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cap nhan vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap nhan vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.